Home / 39,393.50-54,363.04-29,330.60

Finding the Fourth Proportional to 39,393.50, 54,363.04 and 29,330.60

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Solution

The fourth proportional to 39,393.50, 54,363.04 and 29,330.60 is: 40,476.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,393.50 : 54,363.04 = 29,330.60 : x
  2. Step 2: Convert to fraction form
    39,393.50/54,363.04 = 29,330.60/x
  3. Step 3: Cross multiply
    39,393.50x = 54,363.04 × 29,330.60
  4. Step 4: Simplify right side
    39,393.50x = 1,594,500,581.02
  5. Step 5: Solve for x
    x = 1,594,500,581.02/39,393.50
  6. Step 6: Final answer
    x = 40,476.24

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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.