Home / 40,328.70-55,653.66-22,425.54

Finding the Fourth Proportional to 40,328.70, 55,653.66 and 22,425.54

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Solution

The fourth proportional to 40,328.70, 55,653.66 and 22,425.54 is: 30,947.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,328.70 : 55,653.66 = 22,425.54 : x
  2. Step 2: Convert to fraction form
    40,328.70/55,653.66 = 22,425.54/x
  3. Step 3: Cross multiply
    40,328.70x = 55,653.66 × 22,425.54
  4. Step 4: Simplify right side
    40,328.70x = 1,248,063,378.48
  5. Step 5: Solve for x
    x = 1,248,063,378.48/40,328.70
  6. Step 6: Final answer
    x = 30,947.28

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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.