Home / 50,280.76-75,452.90-28,108.68

Finding the Fourth Proportional to 50,280.76, 75,452.90 and 28,108.68

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Solution

The fourth proportional to 50,280.76, 75,452.90 and 28,108.68 is: 42,180.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,280.76 : 75,452.90 = 28,108.68 : x
  2. Step 2: Convert to fraction form
    50,280.76/75,452.90 = 28,108.68/x
  3. Step 3: Cross multiply
    50,280.76x = 75,452.90 × 28,108.68
  4. Step 4: Simplify right side
    50,280.76x = 2,120,881,421.17
  5. Step 5: Solve for x
    x = 2,120,881,421.17/50,280.76
  6. Step 6: Final answer
    x = 42,180.77

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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.