Home / 48,853.64-67,414.20-28,711.28

Finding the Fourth Proportional to 48,853.64, 67,414.20 and 28,711.28

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Solution

The fourth proportional to 48,853.64, 67,414.20 and 28,711.28 is: 39,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,853.64 : 67,414.20 = 28,711.28 : x
  2. Step 2: Convert to fraction form
    48,853.64/67,414.20 = 28,711.28/x
  3. Step 3: Cross multiply
    48,853.64x = 67,414.20 × 28,711.28
  4. Step 4: Simplify right side
    48,853.64x = 1,935,547,972.18
  5. Step 5: Solve for x
    x = 1,935,547,972.18/48,853.64
  6. Step 6: Final answer
    x = 39,619.32

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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.