Home / 48,013.86-72,022.05-28,306.56

Finding the Fourth Proportional to 48,013.86, 72,022.05 and 28,306.56

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Solution

The fourth proportional to 48,013.86, 72,022.05 and 28,306.56 is: 42,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,013.86 : 72,022.05 = 28,306.56 : x
  2. Step 2: Convert to fraction form
    48,013.86/72,022.05 = 28,306.56/x
  3. Step 3: Cross multiply
    48,013.86x = 72,022.05 × 28,306.56
  4. Step 4: Simplify right side
    48,013.86x = 2,038,696,479.65
  5. Step 5: Solve for x
    x = 2,038,696,479.65/48,013.86
  6. Step 6: Final answer
    x = 42,460.58

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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.