Home / 51,772.82-71,470.56-39,031.18

Finding the Fourth Proportional to 51,772.82, 71,470.56 and 39,031.18

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Solution

The fourth proportional to 51,772.82, 71,470.56 and 39,031.18 is: 53,881.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,772.82 : 71,470.56 = 39,031.18 : x
  2. Step 2: Convert to fraction form
    51,772.82/71,470.56 = 39,031.18/x
  3. Step 3: Cross multiply
    51,772.82x = 71,470.56 × 39,031.18
  4. Step 4: Simplify right side
    51,772.82x = 2,789,580,292.06
  5. Step 5: Solve for x
    x = 2,789,580,292.06/51,772.82
  6. Step 6: Final answer
    x = 53,881.18

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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.