Home / 45,742.56-63,127.20-27,834.72

Finding the Fourth Proportional to 45,742.56, 63,127.20 and 27,834.72

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Solution

The fourth proportional to 45,742.56, 63,127.20 and 27,834.72 is: 38,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,742.56 : 63,127.20 = 27,834.72 : x
  2. Step 2: Convert to fraction form
    45,742.56/63,127.20 = 27,834.72/x
  3. Step 3: Cross multiply
    45,742.56x = 63,127.20 × 27,834.72
  4. Step 4: Simplify right side
    45,742.56x = 1,757,127,936.38
  5. Step 5: Solve for x
    x = 1,757,127,936.38/45,742.56
  6. Step 6: Final answer
    x = 38,413.41

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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.