Home / 40,496.40-55,878.30-22,590.90

Finding the Fourth Proportional to 40,496.40, 55,878.30 and 22,590.90

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Solution

The fourth proportional to 40,496.40, 55,878.30 and 22,590.90 is: 31,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.40 : 55,878.30 = 22,590.90 : x
  2. Step 2: Convert to fraction form
    40,496.40/55,878.30 = 22,590.90/x
  3. Step 3: Cross multiply
    40,496.40x = 55,878.30 × 22,590.90
  4. Step 4: Simplify right side
    40,496.40x = 1,262,341,087.47
  5. Step 5: Solve for x
    x = 1,262,341,087.47/40,496.40
  6. Step 6: Final answer
    x = 31,171.69

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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.