Home / 42,407.20-63,610.80-37,223.20

Finding the Fourth Proportional to 42,407.20, 63,610.80 and 37,223.20

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Solution

The fourth proportional to 42,407.20, 63,610.80 and 37,223.20 is: 55,834.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,407.20 : 63,610.80 = 37,223.20 : x
  2. Step 2: Convert to fraction form
    42,407.20/63,610.80 = 37,223.20/x
  3. Step 3: Cross multiply
    42,407.20x = 63,610.80 × 37,223.20
  4. Step 4: Simplify right side
    42,407.20x = 2,367,797,530.56
  5. Step 5: Solve for x
    x = 2,367,797,530.56/42,407.20
  6. Step 6: Final answer
    x = 55,834.80

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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.