Home / 55,331.83-76,335.37-38,574.55

Finding the Fourth Proportional to 55,331.83, 76,335.37 and 38,574.55

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Solution

The fourth proportional to 55,331.83, 76,335.37 and 38,574.55 is: 53,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,331.83 : 76,335.37 = 38,574.55 : x
  2. Step 2: Convert to fraction form
    55,331.83/76,335.37 = 38,574.55/x
  3. Step 3: Cross multiply
    55,331.83x = 76,335.37 × 38,574.55
  4. Step 4: Simplify right side
    55,331.83x = 2,944,602,546.83
  5. Step 5: Solve for x
    x = 2,944,602,546.83/55,331.83
  6. Step 6: Final answer
    x = 53,217.15

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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.