Home / 71,184.46-98,238.40-39,356.32

Finding the Fourth Proportional to 71,184.46, 98,238.40 and 39,356.32

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Solution

The fourth proportional to 71,184.46, 98,238.40 and 39,356.32 is: 54,313.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,184.46 : 98,238.40 = 39,356.32 : x
  2. Step 2: Convert to fraction form
    71,184.46/98,238.40 = 39,356.32/x
  3. Step 3: Cross multiply
    71,184.46x = 98,238.40 × 39,356.32
  4. Step 4: Simplify right side
    71,184.46x = 3,866,301,906.69
  5. Step 5: Solve for x
    x = 3,866,301,906.69/71,184.46
  6. Step 6: Final answer
    x = 54,313.85

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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.