Home / 42,378.75-58,484.50-23,515.88

Finding the Fourth Proportional to 42,378.75, 58,484.50 and 23,515.88

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Solution

The fourth proportional to 42,378.75, 58,484.50 and 23,515.88 is: 32,452.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,378.75 : 58,484.50 = 23,515.88 : x
  2. Step 2: Convert to fraction form
    42,378.75/58,484.50 = 23,515.88/x
  3. Step 3: Cross multiply
    42,378.75x = 58,484.50 × 23,515.88
  4. Step 4: Simplify right side
    42,378.75x = 1,375,314,132.65
  5. Step 5: Solve for x
    x = 1,375,314,132.65/42,378.75
  6. Step 6: Final answer
    x = 32,452.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.