Home / 55,241.60-76,228.76-31,040.72

Finding the Fourth Proportional to 55,241.60, 76,228.76 and 31,040.72

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Solution

The fourth proportional to 55,241.60, 76,228.76 and 31,040.72 is: 42,833.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.60 : 76,228.76 = 31,040.72 : x
  2. Step 2: Convert to fraction form
    55,241.60/76,228.76 = 31,040.72/x
  3. Step 3: Cross multiply
    55,241.60x = 76,228.76 × 31,040.72
  4. Step 4: Simplify right side
    55,241.60x = 2,366,195,595.11
  5. Step 5: Solve for x
    x = 2,366,195,595.11/55,241.60
  6. Step 6: Final answer
    x = 42,833.58

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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.