Home / 49,001.01-67,589.13-38,913.45

Finding the Fourth Proportional to 49,001.01, 67,589.13 and 38,913.45

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Solution

The fourth proportional to 49,001.01, 67,589.13 and 38,913.45 is: 53,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,001.01 : 67,589.13 = 38,913.45 : x
  2. Step 2: Convert to fraction form
    49,001.01/67,589.13 = 38,913.45/x
  3. Step 3: Cross multiply
    49,001.01x = 67,589.13 × 38,913.45
  4. Step 4: Simplify right side
    49,001.01x = 2,630,126,230.80
  5. Step 5: Solve for x
    x = 2,630,126,230.80/49,001.01
  6. Step 6: Final answer
    x = 53,674.94

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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.