Home / 40,021.35-55,230.66-22,117.53

Finding the Fourth Proportional to 40,021.35, 55,230.66 and 22,117.53

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Solution

The fourth proportional to 40,021.35, 55,230.66 and 22,117.53 is: 30,522.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,021.35 : 55,230.66 = 22,117.53 : x
  2. Step 2: Convert to fraction form
    40,021.35/55,230.66 = 22,117.53/x
  3. Step 3: Cross multiply
    40,021.35x = 55,230.66 × 22,117.53
  4. Step 4: Simplify right side
    40,021.35x = 1,221,565,779.47
  5. Step 5: Solve for x
    x = 1,221,565,779.47/40,021.35
  6. Step 6: Final answer
    x = 30,522.85

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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.