Home / 50,279.55-75,419.31-12,838.29

Finding the Fourth Proportional to 50,279.55, 75,419.31 and 12,838.29

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Solution

The fourth proportional to 50,279.55, 75,419.31 and 12,838.29 is: 19,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,279.55 : 75,419.31 = 12,838.29 : x
  2. Step 2: Convert to fraction form
    50,279.55/75,419.31 = 12,838.29/x
  3. Step 3: Cross multiply
    50,279.55x = 75,419.31 × 12,838.29
  4. Step 4: Simplify right side
    50,279.55x = 968,254,973.38
  5. Step 5: Solve for x
    x = 968,254,973.38/50,279.55
  6. Step 6: Final answer
    x = 19,257.43

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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.