Home / 40,391.56-55,740.54-22,486.52

Finding the Fourth Proportional to 40,391.56, 55,740.54 and 22,486.52

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Solution

The fourth proportional to 40,391.56, 55,740.54 and 22,486.52 is: 31,031.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,391.56 : 55,740.54 = 22,486.52 : x
  2. Step 2: Convert to fraction form
    40,391.56/55,740.54 = 22,486.52/x
  3. Step 3: Cross multiply
    40,391.56x = 55,740.54 × 22,486.52
  4. Step 4: Simplify right side
    40,391.56x = 1,253,410,767.52
  5. Step 5: Solve for x
    x = 1,253,410,767.52/40,391.56
  6. Step 6: Final answer
    x = 31,031.50

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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.