Home / 55,230.02-76,217.46-30,700.82

Finding the Fourth Proportional to 55,230.02, 76,217.46 and 30,700.82

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Solution

The fourth proportional to 55,230.02, 76,217.46 and 30,700.82 is: 42,367.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,230.02 : 76,217.46 = 30,700.82 : x
  2. Step 2: Convert to fraction form
    55,230.02/76,217.46 = 30,700.82/x
  3. Step 3: Cross multiply
    55,230.02x = 76,217.46 × 30,700.82
  4. Step 4: Simplify right side
    55,230.02x = 2,339,938,595.73
  5. Step 5: Solve for x
    x = 2,339,938,595.73/55,230.02
  6. Step 6: Final answer
    x = 42,367.15

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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.