Home / 58,278.55-80,422.41-32,785.42

Finding the Fourth Proportional to 58,278.55, 80,422.41 and 32,785.42

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Solution

The fourth proportional to 58,278.55, 80,422.41 and 32,785.42 is: 45,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,278.55 : 80,422.41 = 32,785.42 : x
  2. Step 2: Convert to fraction form
    58,278.55/80,422.41 = 32,785.42/x
  3. Step 3: Cross multiply
    58,278.55x = 80,422.41 × 32,785.42
  4. Step 4: Simplify right side
    58,278.55x = 2,636,682,489.26
  5. Step 5: Solve for x
    x = 2,636,682,489.26/58,278.55
  6. Step 6: Final answer
    x = 45,242.76

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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.