Home / 61,165.13-91,748.30-21,723.80

Finding the Fourth Proportional to 61,165.13, 91,748.30 and 21,723.80

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Solution

The fourth proportional to 61,165.13, 91,748.30 and 21,723.80 is: 32,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,165.13 : 91,748.30 = 21,723.80 : x
  2. Step 2: Convert to fraction form
    61,165.13/91,748.30 = 21,723.80/x
  3. Step 3: Cross multiply
    61,165.13x = 91,748.30 × 21,723.80
  4. Step 4: Simplify right side
    61,165.13x = 1,993,121,152.18
  5. Step 5: Solve for x
    x = 1,993,121,152.18/61,165.13
  6. Step 6: Final answer
    x = 32,585.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.