Home / 42,516.55-63,775.88-20,332.27

Finding the Fourth Proportional to 42,516.55, 63,775.88 and 20,332.27

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Solution

The fourth proportional to 42,516.55, 63,775.88 and 20,332.27 is: 30,498.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,516.55 : 63,775.88 = 20,332.27 : x
  2. Step 2: Convert to fraction form
    42,516.55/63,775.88 = 20,332.27/x
  3. Step 3: Cross multiply
    42,516.55x = 63,775.88 × 20,332.27
  4. Step 4: Simplify right side
    42,516.55x = 1,296,708,309.99
  5. Step 5: Solve for x
    x = 1,296,708,309.99/42,516.55
  6. Step 6: Final answer
    x = 30,498.91

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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.