Home / 40,383.90-55,729.71-22,480.47

Finding the Fourth Proportional to 40,383.90, 55,729.71 and 22,480.47

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Solution

The fourth proportional to 40,383.90, 55,729.71 and 22,480.47 is: 31,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,383.90 : 55,729.71 = 22,480.47 : x
  2. Step 2: Convert to fraction form
    40,383.90/55,729.71 = 22,480.47/x
  3. Step 3: Cross multiply
    40,383.90x = 55,729.71 × 22,480.47
  4. Step 4: Simplify right side
    40,383.90x = 1,252,830,073.76
  5. Step 5: Solve for x
    x = 1,252,830,073.76/40,383.90
  6. Step 6: Final answer
    x = 31,023.01

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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.