Home / 50,486.57-69,671.46-29,278.13

Finding the Fourth Proportional to 50,486.57, 69,671.46 and 29,278.13

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Solution

The fourth proportional to 50,486.57, 69,671.46 and 29,278.13 is: 40,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,486.57 : 69,671.46 = 29,278.13 : x
  2. Step 2: Convert to fraction form
    50,486.57/69,671.46 = 29,278.13/x
  3. Step 3: Cross multiply
    50,486.57x = 69,671.46 × 29,278.13
  4. Step 4: Simplify right side
    50,486.57x = 2,039,850,347.14
  5. Step 5: Solve for x
    x = 2,039,850,347.14/50,486.57
  6. Step 6: Final answer
    x = 40,403.83

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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.