Home / 71,184.48-98,235.36-39,354.72

Finding the Fourth Proportional to 71,184.48, 98,235.36 and 39,354.72

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Solution

The fourth proportional to 71,184.48, 98,235.36 and 39,354.72 is: 54,309.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.48 : 98,235.36 = 39,354.72 : x
  2. Step 2: Convert to fraction form
    71,184.48/98,235.36 = 39,354.72/x
  3. Step 3: Cross multiply
    71,184.48x = 98,235.36 × 39,354.72
  4. Step 4: Simplify right side
    71,184.48x = 3,866,025,086.90
  5. Step 5: Solve for x
    x = 3,866,025,086.90/71,184.48
  6. Step 6: Final answer
    x = 54,309.94

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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.