Home / 61,209.09-84,470.06-34,353.65

Finding the Fourth Proportional to 61,209.09, 84,470.06 and 34,353.65

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Solution

The fourth proportional to 61,209.09, 84,470.06 and 34,353.65 is: 47,408.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,209.09 : 84,470.06 = 34,353.65 : x
  2. Step 2: Convert to fraction form
    61,209.09/84,470.06 = 34,353.65/x
  3. Step 3: Cross multiply
    61,209.09x = 84,470.06 × 34,353.65
  4. Step 4: Simplify right side
    61,209.09x = 2,901,854,282.60
  5. Step 5: Solve for x
    x = 2,901,854,282.60/61,209.09
  6. Step 6: Final answer
    x = 47,408.88

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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.