Home / 40,320.23-55,645.28-22,416.90

Finding the Fourth Proportional to 40,320.23, 55,645.28 and 22,416.90

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Solution

The fourth proportional to 40,320.23, 55,645.28 and 22,416.90 is: 30,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.23 : 55,645.28 = 22,416.90 : x
  2. Step 2: Convert to fraction form
    40,320.23/55,645.28 = 22,416.90/x
  3. Step 3: Cross multiply
    40,320.23x = 55,645.28 × 22,416.90
  4. Step 4: Simplify right side
    40,320.23x = 1,247,394,565.15
  5. Step 5: Solve for x
    x = 1,247,394,565.15/40,320.23
  6. Step 6: Final answer
    x = 30,937.19

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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.