Home / 40,348.66-55,680.34-22,443.28

Finding the Fourth Proportional to 40,348.66, 55,680.34 and 22,443.28

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Solution

The fourth proportional to 40,348.66, 55,680.34 and 22,443.28 is: 30,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.66 : 55,680.34 = 22,443.28 : x
  2. Step 2: Convert to fraction form
    40,348.66/55,680.34 = 22,443.28/x
  3. Step 3: Cross multiply
    40,348.66x = 55,680.34 × 22,443.28
  4. Step 4: Simplify right side
    40,348.66x = 1,249,649,461.12
  5. Step 5: Solve for x
    x = 1,249,649,461.12/40,348.66
  6. Step 6: Final answer
    x = 30,971.28

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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.