Home / 45,120.25-62,245.26-29,209.83

Finding the Fourth Proportional to 45,120.25, 62,245.26 and 29,209.83

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Solution

The fourth proportional to 45,120.25, 62,245.26 and 29,209.83 is: 40,296.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,120.25 : 62,245.26 = 29,209.83 : x
  2. Step 2: Convert to fraction form
    45,120.25/62,245.26 = 29,209.83/x
  3. Step 3: Cross multiply
    45,120.25x = 62,245.26 × 29,209.83
  4. Step 4: Simplify right side
    45,120.25x = 1,818,173,462.91
  5. Step 5: Solve for x
    x = 1,818,173,462.91/45,120.25
  6. Step 6: Final answer
    x = 40,296.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.