Home / 31,999.83-48,006.57-12,278.22

Finding the Fourth Proportional to 31,999.83, 48,006.57 and 12,278.22

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Solution

The fourth proportional to 31,999.83, 48,006.57 and 12,278.22 is: 18,419.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,999.83 : 48,006.57 = 12,278.22 : x
  2. Step 2: Convert to fraction form
    31,999.83/48,006.57 = 12,278.22/x
  3. Step 3: Cross multiply
    31,999.83x = 48,006.57 × 12,278.22
  4. Step 4: Simplify right side
    31,999.83x = 589,435,227.91
  5. Step 5: Solve for x
    x = 589,435,227.91/31,999.83
  6. Step 6: Final answer
    x = 18,419.95

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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.