Home / 20,077.62-30,117.18-5,288.04

Finding the Fourth Proportional to 20,077.62, 30,117.18 and 5,288.04

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Solution

The fourth proportional to 20,077.62, 30,117.18 and 5,288.04 is: 7,932.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077.62 : 30,117.18 = 5,288.04 : x
  2. Step 2: Convert to fraction form
    20,077.62/30,117.18 = 5,288.04/x
  3. Step 3: Cross multiply
    20,077.62x = 30,117.18 × 5,288.04
  4. Step 4: Simplify right side
    20,077.62x = 159,260,852.53
  5. Step 5: Solve for x
    x = 159,260,852.53/20,077.62
  6. Step 6: Final answer
    x = 7,932.26

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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.