Home / 20,077.96-30,100.52-7,590.92

Finding the Fourth Proportional to 20,077.96, 30,100.52 and 7,590.92

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Solution

The fourth proportional to 20,077.96, 30,100.52 and 7,590.92 is: 11,380.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077.96 : 30,100.52 = 7,590.92 : x
  2. Step 2: Convert to fraction form
    20,077.96/30,100.52 = 7,590.92/x
  3. Step 3: Cross multiply
    20,077.96x = 30,100.52 × 7,590.92
  4. Step 4: Simplify right side
    20,077.96x = 228,490,639.28
  5. Step 5: Solve for x
    x = 228,490,639.28/20,077.96
  6. Step 6: Final answer
    x = 11,380.17

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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.