Home / 48,278.30-72,417.45-43,612.70

Finding the Fourth Proportional to 48,278.30, 72,417.45 and 43,612.70

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Solution

The fourth proportional to 48,278.30, 72,417.45 and 43,612.70 is: 65,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278.30 : 72,417.45 = 43,612.70 : x
  2. Step 2: Convert to fraction form
    48,278.30/72,417.45 = 43,612.70/x
  3. Step 3: Cross multiply
    48,278.30x = 72,417.45 × 43,612.70
  4. Step 4: Simplify right side
    48,278.30x = 3,158,320,521.62
  5. Step 5: Solve for x
    x = 3,158,320,521.62/48,278.30
  6. Step 6: Final answer
    x = 65,419.05

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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.