Home / 48,385.38-66,771.63-28,243.11

Finding the Fourth Proportional to 48,385.38, 66,771.63 and 28,243.11

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Solution

The fourth proportional to 48,385.38, 66,771.63 and 28,243.11 is: 38,975.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,385.38 : 66,771.63 = 28,243.11 : x
  2. Step 2: Convert to fraction form
    48,385.38/66,771.63 = 28,243.11/x
  3. Step 3: Cross multiply
    48,385.38x = 66,771.63 × 28,243.11
  4. Step 4: Simplify right side
    48,385.38x = 1,885,838,490.97
  5. Step 5: Solve for x
    x = 1,885,838,490.97/48,385.38
  6. Step 6: Final answer
    x = 38,975.38

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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.