Home / 40,695.14-61,038.02-11,115.36

Finding the Fourth Proportional to 40,695.14, 61,038.02 and 11,115.36

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Solution

The fourth proportional to 40,695.14, 61,038.02 and 11,115.36 is: 16,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.14 : 61,038.02 = 11,115.36 : x
  2. Step 2: Convert to fraction form
    40,695.14/61,038.02 = 11,115.36/x
  3. Step 3: Cross multiply
    40,695.14x = 61,038.02 × 11,115.36
  4. Step 4: Simplify right side
    40,695.14x = 678,459,593.78
  5. Step 5: Solve for x
    x = 678,459,593.78/40,695.14
  6. Step 6: Final answer
    x = 16,671.76

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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.