Home / 48,901.28-67,499.80-28,757.18

Finding the Fourth Proportional to 48,901.28, 67,499.80 and 28,757.18

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Solution

The fourth proportional to 48,901.28, 67,499.80 and 28,757.18 is: 39,694.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,901.28 : 67,499.80 = 28,757.18 : x
  2. Step 2: Convert to fraction form
    48,901.28/67,499.80 = 28,757.18/x
  3. Step 3: Cross multiply
    48,901.28x = 67,499.80 × 28,757.18
  4. Step 4: Simplify right side
    48,901.28x = 1,941,103,995.42
  5. Step 5: Solve for x
    x = 1,941,103,995.42/48,901.28
  6. Step 6: Final answer
    x = 39,694.34

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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.