Home / 40,396.06-55,746.66-22,490.20

Finding the Fourth Proportional to 40,396.06, 55,746.66 and 22,490.20

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Solution

The fourth proportional to 40,396.06, 55,746.66 and 22,490.20 is: 31,036.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,396.06 : 55,746.66 = 22,490.20 : x
  2. Step 2: Convert to fraction form
    40,396.06/55,746.66 = 22,490.20/x
  3. Step 3: Cross multiply
    40,396.06x = 55,746.66 × 22,490.20
  4. Step 4: Simplify right side
    40,396.06x = 1,253,753,532.73
  5. Step 5: Solve for x
    x = 1,253,753,532.73/40,396.06
  6. Step 6: Final answer
    x = 31,036.53

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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.