Home / 39,392.04-54,361.46-21,486.92

Finding the Fourth Proportional to 39,392.04, 54,361.46 and 21,486.92

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Solution

The fourth proportional to 39,392.04, 54,361.46 and 21,486.92 is: 29,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,392.04 : 54,361.46 = 21,486.92 : x
  2. Step 2: Convert to fraction form
    39,392.04/54,361.46 = 21,486.92/x
  3. Step 3: Cross multiply
    39,392.04x = 54,361.46 × 21,486.92
  4. Step 4: Simplify right side
    39,392.04x = 1,168,060,342.10
  5. Step 5: Solve for x
    x = 1,168,060,342.10/39,392.04
  6. Step 6: Final answer
    x = 29,652.19

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Double scale
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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.