Home / 40,187.61-55,458.88-22,283.78

Finding the Fourth Proportional to 40,187.61, 55,458.88 and 22,283.78

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Solution

The fourth proportional to 40,187.61, 55,458.88 and 22,283.78 is: 30,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,187.61 : 55,458.88 = 22,283.78 : x
  2. Step 2: Convert to fraction form
    40,187.61/55,458.88 = 22,283.78/x
  3. Step 3: Cross multiply
    40,187.61x = 55,458.88 × 22,283.78
  4. Step 4: Simplify right side
    40,187.61x = 1,235,833,147.96
  5. Step 5: Solve for x
    x = 1,235,833,147.96/40,187.61
  6. Step 6: Final answer
    x = 30,751.60

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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.