Home / 40,159.08-55,422.70-22,255.80

Finding the Fourth Proportional to 40,159.08, 55,422.70 and 22,255.80

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Solution

The fourth proportional to 40,159.08, 55,422.70 and 22,255.80 is: 30,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.08 : 55,422.70 = 22,255.80 : x
  2. Step 2: Convert to fraction form
    40,159.08/55,422.70 = 22,255.80/x
  3. Step 3: Cross multiply
    40,159.08x = 55,422.70 × 22,255.80
  4. Step 4: Simplify right side
    40,159.08x = 1,233,476,526.66
  5. Step 5: Solve for x
    x = 1,233,476,526.66/40,159.08
  6. Step 6: Final answer
    x = 30,714.76

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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.