Home / 39,239.04-54,114-29,192.64

Finding the Fourth Proportional to 39,239.04, 54,114 and 29,192.64

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Solution

The fourth proportional to 39,239.04, 54,114 and 29,192.64 is: 40,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,239.04 : 54,114 = 29,192.64 : x
  2. Step 2: Convert to fraction form
    39,239.04/54,114 = 29,192.64/x
  3. Step 3: Cross multiply
    39,239.04x = 54,114 × 29,192.64
  4. Step 4: Simplify right side
    39,239.04x = 1,579,730,520.96
  5. Step 5: Solve for x
    x = 1,579,730,520.96/39,239.04
  6. Step 6: Final answer
    x = 40,259.15

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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.