Home / 57,121.61-85,635.63-38,344.19

Finding the Fourth Proportional to 57,121.61, 85,635.63 and 38,344.19

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Solution

The fourth proportional to 57,121.61, 85,635.63 and 38,344.19 is: 57,484.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,121.61 : 85,635.63 = 38,344.19 : x
  2. Step 2: Convert to fraction form
    57,121.61/85,635.63 = 38,344.19/x
  3. Step 3: Cross multiply
    57,121.61x = 85,635.63 × 38,344.19
  4. Step 4: Simplify right side
    57,121.61x = 3,283,628,439.31
  5. Step 5: Solve for x
    x = 3,283,628,439.31/57,121.61
  6. Step 6: Final answer
    x = 57,484.88

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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.