Home / 40,348.16-55,679.65-22,442.78

Finding the Fourth Proportional to 40,348.16, 55,679.65 and 22,442.78

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Solution

The fourth proportional to 40,348.16, 55,679.65 and 22,442.78 is: 30,970.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.16 : 55,679.65 = 22,442.78 : x
  2. Step 2: Convert to fraction form
    40,348.16/55,679.65 = 22,442.78/x
  3. Step 3: Cross multiply
    40,348.16x = 55,679.65 × 22,442.78
  4. Step 4: Simplify right side
    40,348.16x = 1,249,606,135.43
  5. Step 5: Solve for x
    x = 1,249,606,135.43/40,348.16
  6. Step 6: Final answer
    x = 30,970.59

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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.