Home / 37,270.62-51,434.40-20,275.82

Finding the Fourth Proportional to 37,270.62, 51,434.40 and 20,275.82

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Solution

The fourth proportional to 37,270.62, 51,434.40 and 20,275.82 is: 27,981.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,270.62 : 51,434.40 = 20,275.82 : x
  2. Step 2: Convert to fraction form
    37,270.62/51,434.40 = 20,275.82/x
  3. Step 3: Cross multiply
    37,270.62x = 51,434.40 × 20,275.82
  4. Step 4: Simplify right side
    37,270.62x = 1,042,874,534.83
  5. Step 5: Solve for x
    x = 1,042,874,534.83/37,270.62
  6. Step 6: Final answer
    x = 27,981.14

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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.