Home / 70,385.42-97,131.92-38,554.85

Finding the Fourth Proportional to 70,385.42, 97,131.92 and 38,554.85

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Solution

The fourth proportional to 70,385.42, 97,131.92 and 38,554.85 is: 53,205.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385.42 : 97,131.92 = 38,554.85 : x
  2. Step 2: Convert to fraction form
    70,385.42/97,131.92 = 38,554.85/x
  3. Step 3: Cross multiply
    70,385.42x = 97,131.92 × 38,554.85
  4. Step 4: Simplify right side
    70,385.42x = 3,744,906,605.81
  5. Step 5: Solve for x
    x = 3,744,906,605.81/70,385.42
  6. Step 6: Final answer
    x = 53,205.72

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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.