Home / 40,036.78-55,252.02-22,132.36

Finding the Fourth Proportional to 40,036.78, 55,252.02 and 22,132.36

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Solution

The fourth proportional to 40,036.78, 55,252.02 and 22,132.36 is: 30,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,036.78 : 55,252.02 = 22,132.36 : x
  2. Step 2: Convert to fraction form
    40,036.78/55,252.02 = 22,132.36/x
  3. Step 3: Cross multiply
    40,036.78x = 55,252.02 × 22,132.36
  4. Step 4: Simplify right side
    40,036.78x = 1,222,857,597.37
  5. Step 5: Solve for x
    x = 1,222,857,597.37/40,036.78
  6. Step 6: Final answer
    x = 30,543.36

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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.