Home / 48,623.78-72,818.10-40,242.10

Finding the Fourth Proportional to 48,623.78, 72,818.10 and 40,242.10

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Solution

The fourth proportional to 48,623.78, 72,818.10 and 40,242.10 is: 60,265.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,623.78 : 72,818.10 = 40,242.10 : x
  2. Step 2: Convert to fraction form
    48,623.78/72,818.10 = 40,242.10/x
  3. Step 3: Cross multiply
    48,623.78x = 72,818.10 × 40,242.10
  4. Step 4: Simplify right side
    48,623.78x = 2,930,353,262.01
  5. Step 5: Solve for x
    x = 2,930,353,262.01/48,623.78
  6. Step 6: Final answer
    x = 60,265.85

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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.