Home / 39,965.70-55,152.68-22,060.72

Finding the Fourth Proportional to 39,965.70, 55,152.68 and 22,060.72

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Solution

The fourth proportional to 39,965.70, 55,152.68 and 22,060.72 is: 30,443.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.70 : 55,152.68 = 22,060.72 : x
  2. Step 2: Convert to fraction form
    39,965.70/55,152.68 = 22,060.72/x
  3. Step 3: Cross multiply
    39,965.70x = 55,152.68 × 22,060.72
  4. Step 4: Simplify right side
    39,965.70x = 1,216,707,444.66
  5. Step 5: Solve for x
    x = 1,216,707,444.66/39,965.70
  6. Step 6: Final answer
    x = 30,443.79

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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.