Home / 51,760.90-77,657.76-18,480.26

Finding the Fourth Proportional to 51,760.90, 77,657.76 and 18,480.26

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Solution

The fourth proportional to 51,760.90, 77,657.76 and 18,480.26 is: 27,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,760.90 : 77,657.76 = 18,480.26 : x
  2. Step 2: Convert to fraction form
    51,760.90/77,657.76 = 18,480.26/x
  3. Step 3: Cross multiply
    51,760.90x = 77,657.76 × 18,480.26
  4. Step 4: Simplify right side
    51,760.90x = 1,435,135,595.82
  5. Step 5: Solve for x
    x = 1,435,135,595.82/51,760.90
  6. Step 6: Final answer
    x = 27,726.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.