Home / 71,557.39-98,751.93-39,294.69

Finding the Fourth Proportional to 71,557.39, 98,751.93 and 39,294.69

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Solution

The fourth proportional to 71,557.39, 98,751.93 and 39,294.69 is: 54,228.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,557.39 : 98,751.93 = 39,294.69 : x
  2. Step 2: Convert to fraction form
    71,557.39/98,751.93 = 39,294.69/x
  3. Step 3: Cross multiply
    71,557.39x = 98,751.93 × 39,294.69
  4. Step 4: Simplify right side
    71,557.39x = 3,880,427,123.35
  5. Step 5: Solve for x
    x = 3,880,427,123.35/71,557.39
  6. Step 6: Final answer
    x = 54,228.18

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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.