Home / 40,869.36-61,305.26-11,289.38

Finding the Fourth Proportional to 40,869.36, 61,305.26 and 11,289.38

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Solution

The fourth proportional to 40,869.36, 61,305.26 and 11,289.38 is: 16,934.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,869.36 : 61,305.26 = 11,289.38 : x
  2. Step 2: Convert to fraction form
    40,869.36/61,305.26 = 11,289.38/x
  3. Step 3: Cross multiply
    40,869.36x = 61,305.26 × 11,289.38
  4. Step 4: Simplify right side
    40,869.36x = 692,098,013.17
  5. Step 5: Solve for x
    x = 692,098,013.17/40,869.36
  6. Step 6: Final answer
    x = 16,934.40

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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.