Home / 50,122.25-75,154.21-18,959.93

Finding the Fourth Proportional to 50,122.25, 75,154.21 and 18,959.93

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Solution

The fourth proportional to 50,122.25, 75,154.21 and 18,959.93 is: 28,428.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,122.25 : 75,154.21 = 18,959.93 : x
  2. Step 2: Convert to fraction form
    50,122.25/75,154.21 = 18,959.93/x
  3. Step 3: Cross multiply
    50,122.25x = 75,154.21 × 18,959.93
  4. Step 4: Simplify right side
    50,122.25x = 1,424,918,560.81
  5. Step 5: Solve for x
    x = 1,424,918,560.81/50,122.25
  6. Step 6: Final answer
    x = 28,428.86

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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.