Home / 54,337.40-81,433.20-38,736.80

Finding the Fourth Proportional to 54,337.40, 81,433.20 and 38,736.80

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Solution

The fourth proportional to 54,337.40, 81,433.20 and 38,736.80 is: 58,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,337.40 : 81,433.20 = 38,736.80 : x
  2. Step 2: Convert to fraction form
    54,337.40/81,433.20 = 38,736.80/x
  3. Step 3: Cross multiply
    54,337.40x = 81,433.20 × 38,736.80
  4. Step 4: Simplify right side
    54,337.40x = 3,154,461,581.76
  5. Step 5: Solve for x
    x = 3,154,461,581.76/54,337.40
  6. Step 6: Final answer
    x = 58,053.23

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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.