Home / 30,121.83-45,146.90-22,701.83

Finding the Fourth Proportional to 30,121.83, 45,146.90 and 22,701.83

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Solution

The fourth proportional to 30,121.83, 45,146.90 and 22,701.83 is: 34,025.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.83 : 45,146.90 = 22,701.83 : x
  2. Step 2: Convert to fraction form
    30,121.83/45,146.90 = 22,701.83/x
  3. Step 3: Cross multiply
    30,121.83x = 45,146.90 × 22,701.83
  4. Step 4: Simplify right side
    30,121.83x = 1,024,917,079.85
  5. Step 5: Solve for x
    x = 1,024,917,079.85/30,121.83
  6. Step 6: Final answer
    x = 34,025.72

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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.