Home / 43,366.34-65,062.60-20,587.66

Finding the Fourth Proportional to 43,366.34, 65,062.60 and 20,587.66

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Solution

The fourth proportional to 43,366.34, 65,062.60 and 20,587.66 is: 30,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,366.34 : 65,062.60 = 20,587.66 : x
  2. Step 2: Convert to fraction form
    43,366.34/65,062.60 = 20,587.66/x
  3. Step 3: Cross multiply
    43,366.34x = 65,062.60 × 20,587.66
  4. Step 4: Simplify right side
    43,366.34x = 1,339,486,687.52
  5. Step 5: Solve for x
    x = 1,339,486,687.52/43,366.34
  6. Step 6: Final answer
    x = 30,887.70

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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.