Home / 40,955.13-61,421.25-11,365.92

Finding the Fourth Proportional to 40,955.13, 61,421.25 and 11,365.92

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Solution

The fourth proportional to 40,955.13, 61,421.25 and 11,365.92 is: 17,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,955.13 : 61,421.25 = 11,365.92 : x
  2. Step 2: Convert to fraction form
    40,955.13/61,421.25 = 11,365.92/x
  3. Step 3: Cross multiply
    40,955.13x = 61,421.25 × 11,365.92
  4. Step 4: Simplify right side
    40,955.13x = 698,109,013.80
  5. Step 5: Solve for x
    x = 698,109,013.80/40,955.13
  6. Step 6: Final answer
    x = 17,045.70

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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.