Home / 45,332.26-67,542.76-42,785.72

Finding the Fourth Proportional to 45,332.26, 67,542.76 and 42,785.72

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Solution

The fourth proportional to 45,332.26, 67,542.76 and 42,785.72 is: 63,748.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,332.26 : 67,542.76 = 42,785.72 : x
  2. Step 2: Convert to fraction form
    45,332.26/67,542.76 = 42,785.72/x
  3. Step 3: Cross multiply
    45,332.26x = 67,542.76 × 42,785.72
  4. Step 4: Simplify right side
    45,332.26x = 2,889,865,586.44
  5. Step 5: Solve for x
    x = 2,889,865,586.44/45,332.26
  6. Step 6: Final answer
    x = 63,748.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.