Home / 40,282.68-55,590.16-22,377.20

Finding the Fourth Proportional to 40,282.68, 55,590.16 and 22,377.20

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Solution

The fourth proportional to 40,282.68, 55,590.16 and 22,377.20 is: 30,880.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.68 : 55,590.16 = 22,377.20 : x
  2. Step 2: Convert to fraction form
    40,282.68/55,590.16 = 22,377.20/x
  3. Step 3: Cross multiply
    40,282.68x = 55,590.16 × 22,377.20
  4. Step 4: Simplify right side
    40,282.68x = 1,243,952,128.35
  5. Step 5: Solve for x
    x = 1,243,952,128.35/40,282.68
  6. Step 6: Final answer
    x = 30,880.57

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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.