Home / 40,691.75-61,038.01-14,400.95

Finding the Fourth Proportional to 40,691.75, 61,038.01 and 14,400.95

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Solution

The fourth proportional to 40,691.75, 61,038.01 and 14,400.95 is: 21,601.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,691.75 : 61,038.01 = 14,400.95 : x
  2. Step 2: Convert to fraction form
    40,691.75/61,038.01 = 14,400.95/x
  3. Step 3: Cross multiply
    40,691.75x = 61,038.01 × 14,400.95
  4. Step 4: Simplify right side
    40,691.75x = 879,005,258.10
  5. Step 5: Solve for x
    x = 879,005,258.10/40,691.75
  6. Step 6: Final answer
    x = 21,601.56

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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.