Home / 31,911.80-47,781.30-24,999.80

Finding the Fourth Proportional to 31,911.80, 47,781.30 and 24,999.80

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Solution

The fourth proportional to 31,911.80, 47,781.30 and 24,999.80 is: 37,432.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,911.80 : 47,781.30 = 24,999.80 : x
  2. Step 2: Convert to fraction form
    31,911.80/47,781.30 = 24,999.80/x
  3. Step 3: Cross multiply
    31,911.80x = 47,781.30 × 24,999.80
  4. Step 4: Simplify right side
    31,911.80x = 1,194,522,943.74
  5. Step 5: Solve for x
    x = 1,194,522,943.74/31,911.80
  6. Step 6: Final answer
    x = 37,432.01

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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.