Home / 61,439.61-84,769.70-34,580.55

Finding the Fourth Proportional to 61,439.61, 84,769.70 and 34,580.55

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Solution

The fourth proportional to 61,439.61, 84,769.70 and 34,580.55 is: 47,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,439.61 : 84,769.70 = 34,580.55 : x
  2. Step 2: Convert to fraction form
    61,439.61/84,769.70 = 34,580.55/x
  3. Step 3: Cross multiply
    61,439.61x = 84,769.70 × 34,580.55
  4. Step 4: Simplify right side
    61,439.61x = 2,931,382,676.43
  5. Step 5: Solve for x
    x = 2,931,382,676.43/61,439.61
  6. Step 6: Final answer
    x = 47,711.61

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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.