Home / 39,886.08-55,043.34-22,891.68

Finding the Fourth Proportional to 39,886.08, 55,043.34 and 22,891.68

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Solution

The fourth proportional to 39,886.08, 55,043.34 and 22,891.68 is: 31,590.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,886.08 : 55,043.34 = 22,891.68 : x
  2. Step 2: Convert to fraction form
    39,886.08/55,043.34 = 22,891.68/x
  3. Step 3: Cross multiply
    39,886.08x = 55,043.34 × 22,891.68
  4. Step 4: Simplify right side
    39,886.08x = 1,260,034,525.41
  5. Step 5: Solve for x
    x = 1,260,034,525.41/39,886.08
  6. Step 6: Final answer
    x = 31,590.83

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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.