Home / 50,132.90-75,211.50-20,550.08

Finding the Fourth Proportional to 50,132.90, 75,211.50 and 20,550.08

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Solution

The fourth proportional to 50,132.90, 75,211.50 and 20,550.08 is: 30,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,132.90 : 75,211.50 = 20,550.08 : x
  2. Step 2: Convert to fraction form
    50,132.90/75,211.50 = 20,550.08/x
  3. Step 3: Cross multiply
    50,132.90x = 75,211.50 × 20,550.08
  4. Step 4: Simplify right side
    50,132.90x = 1,545,602,341.92
  5. Step 5: Solve for x
    x = 1,545,602,341.92/50,132.90
  6. Step 6: Final answer
    x = 30,830.10

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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.