Home / 39,965.91-55,152.66-22,060.91

Finding the Fourth Proportional to 39,965.91, 55,152.66 and 22,060.91

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Solution

The fourth proportional to 39,965.91, 55,152.66 and 22,060.91 is: 30,443.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,965.91 : 55,152.66 = 22,060.91 : x
  2. Step 2: Convert to fraction form
    39,965.91/55,152.66 = 22,060.91/x
  3. Step 3: Cross multiply
    39,965.91x = 55,152.66 × 22,060.91
  4. Step 4: Simplify right side
    39,965.91x = 1,216,717,592.76
  5. Step 5: Solve for x
    x = 1,216,717,592.76/39,965.91
  6. Step 6: Final answer
    x = 30,443.89

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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.