Home / 50,035.80-75,053.28-20,432.87

Finding the Fourth Proportional to 50,035.80, 75,053.28 and 20,432.87

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Solution

The fourth proportional to 50,035.80, 75,053.28 and 20,432.87 is: 30,649.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,035.80 : 75,053.28 = 20,432.87 : x
  2. Step 2: Convert to fraction form
    50,035.80/75,053.28 = 20,432.87/x
  3. Step 3: Cross multiply
    50,035.80x = 75,053.28 × 20,432.87
  4. Step 4: Simplify right side
    50,035.80x = 1,533,554,100.95
  5. Step 5: Solve for x
    x = 1,533,554,100.95/50,035.80
  6. Step 6: Final answer
    x = 30,649.14

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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.