Home / 70,385.28-97,131.72-38,554.24

Finding the Fourth Proportional to 70,385.28, 97,131.72 and 38,554.24

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Solution

The fourth proportional to 70,385.28, 97,131.72 and 38,554.24 is: 53,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,385.28 : 97,131.72 = 38,554.24 : x
  2. Step 2: Convert to fraction form
    70,385.28/97,131.72 = 38,554.24/x
  3. Step 3: Cross multiply
    70,385.28x = 97,131.72 × 38,554.24
  4. Step 4: Simplify right side
    70,385.28x = 3,744,839,644.49
  5. Step 5: Solve for x
    x = 3,744,839,644.49/70,385.28
  6. Step 6: Final answer
    x = 53,204.87

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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.