Home / 40,330.41-55,671.15-34,642.38

Finding the Fourth Proportional to 40,330.41, 55,671.15 and 34,642.38

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Solution

The fourth proportional to 40,330.41, 55,671.15 and 34,642.38 is: 47,819.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.41 : 55,671.15 = 34,642.38 : x
  2. Step 2: Convert to fraction form
    40,330.41/55,671.15 = 34,642.38/x
  3. Step 3: Cross multiply
    40,330.41x = 55,671.15 × 34,642.38
  4. Step 4: Simplify right side
    40,330.41x = 1,928,581,277.15
  5. Step 5: Solve for x
    x = 1,928,581,277.15/40,330.41
  6. Step 6: Final answer
    x = 47,819.54

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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.