Home / 60,521.05-90,781.41-18,400.95

Finding the Fourth Proportional to 60,521.05, 90,781.41 and 18,400.95

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Solution

The fourth proportional to 60,521.05, 90,781.41 and 18,400.95 is: 27,601.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,521.05 : 90,781.41 = 18,400.95 : x
  2. Step 2: Convert to fraction form
    60,521.05/90,781.41 = 18,400.95/x
  3. Step 3: Cross multiply
    60,521.05x = 90,781.41 × 18,400.95
  4. Step 4: Simplify right side
    60,521.05x = 1,670,464,186.34
  5. Step 5: Solve for x
    x = 1,670,464,186.34/60,521.05
  6. Step 6: Final answer
    x = 27,601.37

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1.5x scale

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.