Home / 71,428.74-98,562.60-39,597.36

Finding the Fourth Proportional to 71,428.74, 98,562.60 and 39,597.36

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Solution

The fourth proportional to 71,428.74, 98,562.60 and 39,597.36 is: 54,639.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,428.74 : 98,562.60 = 39,597.36 : x
  2. Step 2: Convert to fraction form
    71,428.74/98,562.60 = 39,597.36/x
  3. Step 3: Cross multiply
    71,428.74x = 98,562.60 × 39,597.36
  4. Step 4: Simplify right side
    71,428.74x = 3,902,818,754.74
  5. Step 5: Solve for x
    x = 3,902,818,754.74/71,428.74
  6. Step 6: Final answer
    x = 54,639.33

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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.