Home / 50,346.19-69,408.24-40,171.78

Finding the Fourth Proportional to 50,346.19, 69,408.24 and 40,171.78

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Solution

The fourth proportional to 50,346.19, 69,408.24 and 40,171.78 is: 55,381.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,346.19 : 69,408.24 = 40,171.78 : x
  2. Step 2: Convert to fraction form
    50,346.19/69,408.24 = 40,171.78/x
  3. Step 3: Cross multiply
    50,346.19x = 69,408.24 × 40,171.78
  4. Step 4: Simplify right side
    50,346.19x = 2,788,252,547.47
  5. Step 5: Solve for x
    x = 2,788,252,547.47/50,346.19
  6. Step 6: Final answer
    x = 55,381.60

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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.