Home / 60,725.40-91,040.70-38,534.64

Finding the Fourth Proportional to 60,725.40, 91,040.70 and 38,534.64

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Solution

The fourth proportional to 60,725.40, 91,040.70 and 38,534.64 is: 57,771.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,725.40 : 91,040.70 = 38,534.64 : x
  2. Step 2: Convert to fraction form
    60,725.40/91,040.70 = 38,534.64/x
  3. Step 3: Cross multiply
    60,725.40x = 91,040.70 × 38,534.64
  4. Step 4: Simplify right side
    60,725.40x = 3,508,220,599.85
  5. Step 5: Solve for x
    x = 3,508,220,599.85/60,725.40
  6. Step 6: Final answer
    x = 57,771.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.