Home / 40,281.68-55,588.78-22,376.20

Finding the Fourth Proportional to 40,281.68, 55,588.78 and 22,376.20

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Solution

The fourth proportional to 40,281.68, 55,588.78 and 22,376.20 is: 30,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,281.68 : 55,588.78 = 22,376.20 : x
  2. Step 2: Convert to fraction form
    40,281.68/55,588.78 = 22,376.20/x
  3. Step 3: Cross multiply
    40,281.68x = 55,588.78 × 22,376.20
  4. Step 4: Simplify right side
    40,281.68x = 1,243,865,659.04
  5. Step 5: Solve for x
    x = 1,243,865,659.04/40,281.68
  6. Step 6: Final answer
    x = 30,879.19

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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.