Home / 38,252.52-52,798.50-21,490.92

Finding the Fourth Proportional to 38,252.52, 52,798.50 and 21,490.92

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Solution

The fourth proportional to 38,252.52, 52,798.50 and 21,490.92 is: 29,663.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,252.52 : 52,798.50 = 21,490.92 : x
  2. Step 2: Convert to fraction form
    38,252.52/52,798.50 = 21,490.92/x
  3. Step 3: Cross multiply
    38,252.52x = 52,798.50 × 21,490.92
  4. Step 4: Simplify right side
    38,252.52x = 1,134,688,339.62
  5. Step 5: Solve for x
    x = 1,134,688,339.62/38,252.52
  6. Step 6: Final answer
    x = 29,663.10

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Half scale
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Double scale
Find fourth proportional to 38,253.52, 52,799.88 and 21,491.92
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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.