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Finding the Fourth Proportional to 61,263.56, 84,545.61 and 34,406.65

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Solution

The fourth proportional to 61,263.56, 84,545.61 and 34,406.65 is: 47,482.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,263.56 : 84,545.61 = 34,406.65 : x
  2. Step 2: Convert to fraction form
    61,263.56/84,545.61 = 34,406.65/x
  3. Step 3: Cross multiply
    61,263.56x = 84,545.61 × 34,406.65
  4. Step 4: Simplify right side
    61,263.56x = 2,908,930,789.58
  5. Step 5: Solve for x
    x = 2,908,930,789.58/61,263.56
  6. Step 6: Final answer
    x = 47,482.24

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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.