Home / 45,287.60-67,931.18-38,561.45

Finding the Fourth Proportional to 45,287.60, 67,931.18 and 38,561.45

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Solution

The fourth proportional to 45,287.60, 67,931.18 and 38,561.45 is: 57,841.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,287.60 : 67,931.18 = 38,561.45 : x
  2. Step 2: Convert to fraction form
    45,287.60/67,931.18 = 38,561.45/x
  3. Step 3: Cross multiply
    45,287.60x = 67,931.18 × 38,561.45
  4. Step 4: Simplify right side
    45,287.60x = 2,619,524,268.55
  5. Step 5: Solve for x
    x = 2,619,524,268.55/45,287.60
  6. Step 6: Final answer
    x = 57,841.98

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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.