Home / 56,012.20-83,921.10-36,280.60

Finding the Fourth Proportional to 56,012.20, 83,921.10 and 36,280.60

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Solution

The fourth proportional to 56,012.20, 83,921.10 and 36,280.60 is: 54,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012.20 : 83,921.10 = 36,280.60 : x
  2. Step 2: Convert to fraction form
    56,012.20/83,921.10 = 36,280.60/x
  3. Step 3: Cross multiply
    56,012.20x = 83,921.10 × 36,280.60
  4. Step 4: Simplify right side
    56,012.20x = 3,044,707,860.66
  5. Step 5: Solve for x
    x = 3,044,707,860.66/56,012.20
  6. Step 6: Final answer
    x = 54,357.94

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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.