Home / 31,786.86-47,680.28-24,772.12

Finding the Fourth Proportional to 31,786.86, 47,680.28 and 24,772.12

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Solution

The fourth proportional to 31,786.86, 47,680.28 and 24,772.12 is: 37,158.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,786.86 : 47,680.28 = 24,772.12 : x
  2. Step 2: Convert to fraction form
    31,786.86/47,680.28 = 24,772.12/x
  3. Step 3: Cross multiply
    31,786.86x = 47,680.28 × 24,772.12
  4. Step 4: Simplify right side
    31,786.86x = 1,181,141,617.79
  5. Step 5: Solve for x
    x = 1,181,141,617.79/31,786.86
  6. Step 6: Final answer
    x = 37,158.17

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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.