Home / 71,737.20-98,998.20-39,473.52

Finding the Fourth Proportional to 71,737.20, 98,998.20 and 39,473.52

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Solution

The fourth proportional to 71,737.20, 98,998.20 and 39,473.52 is: 54,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,737.20 : 98,998.20 = 39,473.52 : x
  2. Step 2: Convert to fraction form
    71,737.20/98,998.20 = 39,473.52/x
  3. Step 3: Cross multiply
    71,737.20x = 98,998.20 × 39,473.52
  4. Step 4: Simplify right side
    71,737.20x = 3,907,807,427.66
  5. Step 5: Solve for x
    x = 3,907,807,427.66/71,737.20
  6. Step 6: Final answer
    x = 54,473.93

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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.