Home / 40,047.56-55,269.66-22,143.92

Finding the Fourth Proportional to 40,047.56, 55,269.66 and 22,143.92

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Solution

The fourth proportional to 40,047.56, 55,269.66 and 22,143.92 is: 30,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,047.56 : 55,269.66 = 22,143.92 : x
  2. Step 2: Convert to fraction form
    40,047.56/55,269.66 = 22,143.92/x
  3. Step 3: Cross multiply
    40,047.56x = 55,269.66 × 22,143.92
  4. Step 4: Simplify right side
    40,047.56x = 1,223,886,929.47
  5. Step 5: Solve for x
    x = 1,223,886,929.47/40,047.56
  6. Step 6: Final answer
    x = 30,560.84

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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.