Home / 32,826.76-45,285.10-21,491.24

Finding the Fourth Proportional to 32,826.76, 45,285.10 and 21,491.24

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Solution

The fourth proportional to 32,826.76, 45,285.10 and 21,491.24 is: 29,647.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,826.76 : 45,285.10 = 21,491.24 : x
  2. Step 2: Convert to fraction form
    32,826.76/45,285.10 = 21,491.24/x
  3. Step 3: Cross multiply
    32,826.76x = 45,285.10 × 21,491.24
  4. Step 4: Simplify right side
    32,826.76x = 973,232,952.52
  5. Step 5: Solve for x
    x = 973,232,952.52/32,826.76
  6. Step 6: Final answer
    x = 29,647.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.