Home / 51,411.97-70,956.54-31,275.17

Finding the Fourth Proportional to 51,411.97, 70,956.54 and 31,275.17

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Solution

The fourth proportional to 51,411.97, 70,956.54 and 31,275.17 is: 43,164.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,411.97 : 70,956.54 = 31,275.17 : x
  2. Step 2: Convert to fraction form
    51,411.97/70,956.54 = 31,275.17/x
  3. Step 3: Cross multiply
    51,411.97x = 70,956.54 × 31,275.17
  4. Step 4: Simplify right side
    51,411.97x = 2,219,177,968.39
  5. Step 5: Solve for x
    x = 2,219,177,968.39/51,411.97
  6. Step 6: Final answer
    x = 43,164.61

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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.