Home / 61,438.85-84,785.76-34,581.74

Finding the Fourth Proportional to 61,438.85, 84,785.76 and 34,581.74

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Solution

The fourth proportional to 61,438.85, 84,785.76 and 34,581.74 is: 47,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,438.85 : 84,785.76 = 34,581.74 : x
  2. Step 2: Convert to fraction form
    61,438.85/84,785.76 = 34,581.74/x
  3. Step 3: Cross multiply
    61,438.85x = 84,785.76 × 34,581.74
  4. Step 4: Simplify right side
    61,438.85x = 2,932,039,108.02
  5. Step 5: Solve for x
    x = 2,932,039,108.02/61,438.85
  6. Step 6: Final answer
    x = 47,722.88

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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.