Home / 54,265.20-81,397.80-48,908.40

Finding the Fourth Proportional to 54,265.20, 81,397.80 and 48,908.40

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Solution

The fourth proportional to 54,265.20, 81,397.80 and 48,908.40 is: 73,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,265.20 : 81,397.80 = 48,908.40 : x
  2. Step 2: Convert to fraction form
    54,265.20/81,397.80 = 48,908.40/x
  3. Step 3: Cross multiply
    54,265.20x = 81,397.80 × 48,908.40
  4. Step 4: Simplify right side
    54,265.20x = 3,981,036,161.52
  5. Step 5: Solve for x
    x = 3,981,036,161.52/54,265.20
  6. Step 6: Final answer
    x = 73,362.60

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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.