Home / 39,242.64-54,154.39-21,337.26

Finding the Fourth Proportional to 39,242.64, 54,154.39 and 21,337.26

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Solution

The fourth proportional to 39,242.64, 54,154.39 and 21,337.26 is: 29,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.64 : 54,154.39 = 21,337.26 : x
  2. Step 2: Convert to fraction form
    39,242.64/54,154.39 = 21,337.26/x
  3. Step 3: Cross multiply
    39,242.64x = 54,154.39 × 21,337.26
  4. Step 4: Simplify right side
    39,242.64x = 1,155,506,356.63
  5. Step 5: Solve for x
    x = 1,155,506,356.63/39,242.64
  6. Step 6: Final answer
    x = 29,445.17

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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.