Home / 31,848.76-43,963.38-21,234.52

Finding the Fourth Proportional to 31,848.76, 43,963.38 and 21,234.52

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Solution

The fourth proportional to 31,848.76, 43,963.38 and 21,234.52 is: 29,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,848.76 : 43,963.38 = 21,234.52 : x
  2. Step 2: Convert to fraction form
    31,848.76/43,963.38 = 21,234.52/x
  3. Step 3: Cross multiply
    31,848.76x = 43,963.38 × 21,234.52
  4. Step 4: Simplify right side
    31,848.76x = 933,541,271.88
  5. Step 5: Solve for x
    x = 933,541,271.88/31,848.76
  6. Step 6: Final answer
    x = 29,311.70

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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.