Home / 50,229.19-75,341.31-18,645.40

Finding the Fourth Proportional to 50,229.19, 75,341.31 and 18,645.40

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Solution

The fourth proportional to 50,229.19, 75,341.31 and 18,645.40 is: 27,967.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,229.19 : 75,341.31 = 18,645.40 : x
  2. Step 2: Convert to fraction form
    50,229.19/75,341.31 = 18,645.40/x
  3. Step 3: Cross multiply
    50,229.19x = 75,341.31 × 18,645.40
  4. Step 4: Simplify right side
    50,229.19x = 1,404,768,861.47
  5. Step 5: Solve for x
    x = 1,404,768,861.47/50,229.19
  6. Step 6: Final answer
    x = 27,967.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.