Home / 40,867.76-61,305.59-15,909.84

Finding the Fourth Proportional to 40,867.76, 61,305.59 and 15,909.84

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Solution

The fourth proportional to 40,867.76, 61,305.59 and 15,909.84 is: 23,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,867.76 : 61,305.59 = 15,909.84 : x
  2. Step 2: Convert to fraction form
    40,867.76/61,305.59 = 15,909.84/x
  3. Step 3: Cross multiply
    40,867.76x = 61,305.59 × 15,909.84
  4. Step 4: Simplify right side
    40,867.76x = 975,362,167.78
  5. Step 5: Solve for x
    x = 975,362,167.78/40,867.76
  6. Step 6: Final answer
    x = 23,866.30

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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.