Home / 54,500.48-81,750.12-38,423.84

Finding the Fourth Proportional to 54,500.48, 81,750.12 and 38,423.84

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Solution

The fourth proportional to 54,500.48, 81,750.12 and 38,423.84 is: 57,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500.48 : 81,750.12 = 38,423.84 : x
  2. Step 2: Convert to fraction form
    54,500.48/81,750.12 = 38,423.84/x
  3. Step 3: Cross multiply
    54,500.48x = 81,750.12 × 38,423.84
  4. Step 4: Simplify right side
    54,500.48x = 3,141,153,530.86
  5. Step 5: Solve for x
    x = 3,141,153,530.86/54,500.48
  6. Step 6: Final answer
    x = 57,635.34

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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.