Home / 61,027.20-84,215.04-34,169.28

Finding the Fourth Proportional to 61,027.20, 84,215.04 and 34,169.28

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Solution

The fourth proportional to 61,027.20, 84,215.04 and 34,169.28 is: 47,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,027.20 : 84,215.04 = 34,169.28 : x
  2. Step 2: Convert to fraction form
    61,027.20/84,215.04 = 34,169.28/x
  3. Step 3: Cross multiply
    61,027.20x = 84,215.04 × 34,169.28
  4. Step 4: Simplify right side
    61,027.20x = 2,877,567,281.97
  5. Step 5: Solve for x
    x = 2,877,567,281.97/61,027.20
  6. Step 6: Final answer
    x = 47,152.21

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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.