Home / 63,211.23-87,231.49-34,918.74

Finding the Fourth Proportional to 63,211.23, 87,231.49 and 34,918.74

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Solution

The fourth proportional to 63,211.23, 87,231.49 and 34,918.74 is: 48,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,211.23 : 87,231.49 = 34,918.74 : x
  2. Step 2: Convert to fraction form
    63,211.23/87,231.49 = 34,918.74/x
  3. Step 3: Cross multiply
    63,211.23x = 87,231.49 × 34,918.74
  4. Step 4: Simplify right side
    63,211.23x = 3,046,013,631.83
  5. Step 5: Solve for x
    x = 3,046,013,631.83/63,211.23
  6. Step 6: Final answer
    x = 48,187.86

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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.