Home / 40,521.18-60,762.32-19,156.11

Finding the Fourth Proportional to 40,521.18, 60,762.32 and 19,156.11

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Solution

The fourth proportional to 40,521.18, 60,762.32 and 19,156.11 is: 28,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,521.18 : 60,762.32 = 19,156.11 : x
  2. Step 2: Convert to fraction form
    40,521.18/60,762.32 = 19,156.11/x
  3. Step 3: Cross multiply
    40,521.18x = 60,762.32 × 19,156.11
  4. Step 4: Simplify right side
    40,521.18x = 1,163,969,685.78
  5. Step 5: Solve for x
    x = 1,163,969,685.78/40,521.18
  6. Step 6: Final answer
    x = 28,724.97

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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.