Home / 40,780.54-61,150.04-15,827.74

Finding the Fourth Proportional to 40,780.54, 61,150.04 and 15,827.74

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Solution

The fourth proportional to 40,780.54, 61,150.04 and 15,827.74 is: 23,733.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,780.54 : 61,150.04 = 15,827.74 : x
  2. Step 2: Convert to fraction form
    40,780.54/61,150.04 = 15,827.74/x
  3. Step 3: Cross multiply
    40,780.54x = 61,150.04 × 15,827.74
  4. Step 4: Simplify right side
    40,780.54x = 967,866,934.11
  5. Step 5: Solve for x
    x = 967,866,934.11/40,780.54
  6. Step 6: Final answer
    x = 23,733.55

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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.