Home / 55,799.25-77,002.97-30,648.75

Finding the Fourth Proportional to 55,799.25, 77,002.97 and 30,648.75

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Solution

The fourth proportional to 55,799.25, 77,002.97 and 30,648.75 is: 42,295.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,799.25 : 77,002.97 = 30,648.75 : x
  2. Step 2: Convert to fraction form
    55,799.25/77,002.97 = 30,648.75/x
  3. Step 3: Cross multiply
    55,799.25x = 77,002.97 × 30,648.75
  4. Step 4: Simplify right side
    55,799.25x = 2,360,044,776.79
  5. Step 5: Solve for x
    x = 2,360,044,776.79/55,799.25
  6. Step 6: Final answer
    x = 42,295.28

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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.