Home / 39,265.68-54,185.04-21,360.36

Finding the Fourth Proportional to 39,265.68, 54,185.04 and 21,360.36

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Solution

The fourth proportional to 39,265.68, 54,185.04 and 21,360.36 is: 29,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,265.68 : 54,185.04 = 21,360.36 : x
  2. Step 2: Convert to fraction form
    39,265.68/54,185.04 = 21,360.36/x
  3. Step 3: Cross multiply
    39,265.68x = 54,185.04 × 21,360.36
  4. Step 4: Simplify right side
    39,265.68x = 1,157,411,961.01
  5. Step 5: Solve for x
    x = 1,157,411,961.01/39,265.68
  6. Step 6: Final answer
    x = 29,476.43

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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.