Home / 50,110.08-75,120.36-18,967.20

Finding the Fourth Proportional to 50,110.08, 75,120.36 and 18,967.20

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Solution

The fourth proportional to 50,110.08, 75,120.36 and 18,967.20 is: 28,433.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,110.08 : 75,120.36 = 18,967.20 : x
  2. Step 2: Convert to fraction form
    50,110.08/75,120.36 = 18,967.20/x
  3. Step 3: Cross multiply
    50,110.08x = 75,120.36 × 18,967.20
  4. Step 4: Simplify right side
    50,110.08x = 1,424,822,892.19
  5. Step 5: Solve for x
    x = 1,424,822,892.19/50,110.08
  6. Step 6: Final answer
    x = 28,433.86

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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.