Home / 40,279.40-55,578.88-23,285.24

Finding the Fourth Proportional to 40,279.40, 55,578.88 and 23,285.24

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Solution

The fourth proportional to 40,279.40, 55,578.88 and 23,285.24 is: 32,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,279.40 : 55,578.88 = 23,285.24 : x
  2. Step 2: Convert to fraction form
    40,279.40/55,578.88 = 23,285.24/x
  3. Step 3: Cross multiply
    40,279.40x = 55,578.88 × 23,285.24
  4. Step 4: Simplify right side
    40,279.40x = 1,294,167,559.73
  5. Step 5: Solve for x
    x = 1,294,167,559.73/40,279.40
  6. Step 6: Final answer
    x = 32,129.76

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1.5x scale

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.