Home / 39,251.86-54,167.04-21,346.48

Finding the Fourth Proportional to 39,251.86, 54,167.04 and 21,346.48

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Solution

The fourth proportional to 39,251.86, 54,167.04 and 21,346.48 is: 29,457.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.86 : 54,167.04 = 21,346.48 : x
  2. Step 2: Convert to fraction form
    39,251.86/54,167.04 = 21,346.48/x
  3. Step 3: Cross multiply
    39,251.86x = 54,167.04 × 21,346.48
  4. Step 4: Simplify right side
    39,251.86x = 1,156,275,500.60
  5. Step 5: Solve for x
    x = 1,156,275,500.60/39,251.86
  6. Step 6: Final answer
    x = 29,457.85

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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.