Home / 40,359.60-55,696.08-22,456.32

Finding the Fourth Proportional to 40,359.60, 55,696.08 and 22,456.32

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Solution

The fourth proportional to 40,359.60, 55,696.08 and 22,456.32 is: 30,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,359.60 : 55,696.08 = 22,456.32 : x
  2. Step 2: Convert to fraction form
    40,359.60/55,696.08 = 22,456.32/x
  3. Step 3: Cross multiply
    40,359.60x = 55,696.08 × 22,456.32
  4. Step 4: Simplify right side
    40,359.60x = 1,250,728,995.23
  5. Step 5: Solve for x
    x = 1,250,728,995.23/40,359.60
  6. Step 6: Final answer
    x = 30,989.63

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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.