Home / 56,839.76-85,259.52-15,286.80

Finding the Fourth Proportional to 56,839.76, 85,259.52 and 15,286.80

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Solution

The fourth proportional to 56,839.76, 85,259.52 and 15,286.80 is: 22,930.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,839.76 : 85,259.52 = 15,286.80 : x
  2. Step 2: Convert to fraction form
    56,839.76/85,259.52 = 15,286.80/x
  3. Step 3: Cross multiply
    56,839.76x = 85,259.52 × 15,286.80
  4. Step 4: Simplify right side
    56,839.76x = 1,303,345,230.34
  5. Step 5: Solve for x
    x = 1,303,345,230.34/56,839.76
  6. Step 6: Final answer
    x = 22,930.17

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1.5x scale

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.