Home / 39,537.16-54,562.64-21,632.17

Finding the Fourth Proportional to 39,537.16, 54,562.64 and 21,632.17

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Solution

The fourth proportional to 39,537.16, 54,562.64 and 21,632.17 is: 29,853.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,537.16 : 54,562.64 = 21,632.17 : x
  2. Step 2: Convert to fraction form
    39,537.16/54,562.64 = 21,632.17/x
  3. Step 3: Cross multiply
    39,537.16x = 54,562.64 × 21,632.17
  4. Step 4: Simplify right side
    39,537.16x = 1,180,308,304.13
  5. Step 5: Solve for x
    x = 1,180,308,304.13/39,537.16
  6. Step 6: Final answer
    x = 29,853.14

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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.