Home / 48,229.98-66,535.21-31,239.89

Finding the Fourth Proportional to 48,229.98, 66,535.21 and 31,239.89

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Solution

The fourth proportional to 48,229.98, 66,535.21 and 31,239.89 is: 43,096.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,229.98 : 66,535.21 = 31,239.89 : x
  2. Step 2: Convert to fraction form
    48,229.98/66,535.21 = 31,239.89/x
  3. Step 3: Cross multiply
    48,229.98x = 66,535.21 × 31,239.89
  4. Step 4: Simplify right side
    48,229.98x = 2,078,552,729.77
  5. Step 5: Solve for x
    x = 2,078,552,729.77/48,229.98
  6. Step 6: Final answer
    x = 43,096.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.