Home / 40,319.58-55,645.61-22,416.38

Finding the Fourth Proportional to 40,319.58, 55,645.61 and 22,416.38

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Solution

The fourth proportional to 40,319.58, 55,645.61 and 22,416.38 is: 30,937.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.58 : 55,645.61 = 22,416.38 : x
  2. Step 2: Convert to fraction form
    40,319.58/55,645.61 = 22,416.38/x
  3. Step 3: Cross multiply
    40,319.58x = 55,645.61 × 22,416.38
  4. Step 4: Simplify right side
    40,319.58x = 1,247,373,139.09
  5. Step 5: Solve for x
    x = 1,247,373,139.09/40,319.58
  6. Step 6: Final answer
    x = 30,937.16

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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.