Home / 55,211.58-76,194.27-31,340.48

Finding the Fourth Proportional to 55,211.58, 76,194.27 and 31,340.48

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Solution

The fourth proportional to 55,211.58, 76,194.27 and 31,340.48 is: 43,251.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,211.58 : 76,194.27 = 31,340.48 : x
  2. Step 2: Convert to fraction form
    55,211.58/76,194.27 = 31,340.48/x
  3. Step 3: Cross multiply
    55,211.58x = 76,194.27 × 31,340.48
  4. Step 4: Simplify right side
    55,211.58x = 2,387,964,614.08
  5. Step 5: Solve for x
    x = 2,387,964,614.08/55,211.58
  6. Step 6: Final answer
    x = 43,251.16

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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.