Home / 35,587.62-49,115.79-20,479.95

Finding the Fourth Proportional to 35,587.62, 49,115.79 and 20,479.95

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Solution

The fourth proportional to 35,587.62, 49,115.79 and 20,479.95 is: 28,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,587.62 : 49,115.79 = 20,479.95 : x
  2. Step 2: Convert to fraction form
    35,587.62/49,115.79 = 20,479.95/x
  3. Step 3: Cross multiply
    35,587.62x = 49,115.79 × 20,479.95
  4. Step 4: Simplify right side
    35,587.62x = 1,005,888,923.41
  5. Step 5: Solve for x
    x = 1,005,888,923.41/35,587.62
  6. Step 6: Final answer
    x = 28,265.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.