Home / 32,621.18-45,023.81-21,292.52

Finding the Fourth Proportional to 32,621.18, 45,023.81 and 21,292.52

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Solution

The fourth proportional to 32,621.18, 45,023.81 and 21,292.52 is: 29,387.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,621.18 : 45,023.81 = 21,292.52 : x
  2. Step 2: Convert to fraction form
    32,621.18/45,023.81 = 21,292.52/x
  3. Step 3: Cross multiply
    32,621.18x = 45,023.81 × 21,292.52
  4. Step 4: Simplify right side
    32,621.18x = 958,670,043.32
  5. Step 5: Solve for x
    x = 958,670,043.32/32,621.18
  6. Step 6: Final answer
    x = 29,387.97

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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.