Home / 48,419.28-72,643.50-15,142.86

Finding the Fourth Proportional to 48,419.28, 72,643.50 and 15,142.86

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Solution

The fourth proportional to 48,419.28, 72,643.50 and 15,142.86 is: 22,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,419.28 : 72,643.50 = 15,142.86 : x
  2. Step 2: Convert to fraction form
    48,419.28/72,643.50 = 15,142.86/x
  3. Step 3: Cross multiply
    48,419.28x = 72,643.50 × 15,142.86
  4. Step 4: Simplify right side
    48,419.28x = 1,100,030,350.41
  5. Step 5: Solve for x
    x = 1,100,030,350.41/48,419.28
  6. Step 6: Final answer
    x = 22,718.85

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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.