Home / 56,580.21-84,881.24-21,517.13

Finding the Fourth Proportional to 56,580.21, 84,881.24 and 21,517.13

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Solution

The fourth proportional to 56,580.21, 84,881.24 and 21,517.13 is: 32,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,580.21 : 84,881.24 = 21,517.13 : x
  2. Step 2: Convert to fraction form
    56,580.21/84,881.24 = 21,517.13/x
  3. Step 3: Cross multiply
    56,580.21x = 84,881.24 × 21,517.13
  4. Step 4: Simplify right side
    56,580.21x = 1,826,400,143.65
  5. Step 5: Solve for x
    x = 1,826,400,143.65/56,580.21
  6. Step 6: Final answer
    x = 32,279.84

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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.