Home / 51,247.71-70,718.40-29,738.10

Finding the Fourth Proportional to 51,247.71, 70,718.40 and 29,738.10

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Solution

The fourth proportional to 51,247.71, 70,718.40 and 29,738.10 is: 41,036.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,247.71 : 70,718.40 = 29,738.10 : x
  2. Step 2: Convert to fraction form
    51,247.71/70,718.40 = 29,738.10/x
  3. Step 3: Cross multiply
    51,247.71x = 70,718.40 × 29,738.10
  4. Step 4: Simplify right side
    51,247.71x = 2,103,030,851.04
  5. Step 5: Solve for x
    x = 2,103,030,851.04/51,247.71
  6. Step 6: Final answer
    x = 41,036.58

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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.