Home / 37,042.68-51,118.92-20,275.68

Finding the Fourth Proportional to 37,042.68, 51,118.92 and 20,275.68

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Solution

The fourth proportional to 37,042.68, 51,118.92 and 20,275.68 is: 27,980.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,042.68 : 51,118.92 = 20,275.68 : x
  2. Step 2: Convert to fraction form
    37,042.68/51,118.92 = 20,275.68/x
  3. Step 3: Cross multiply
    37,042.68x = 51,118.92 × 20,275.68
  4. Step 4: Simplify right side
    37,042.68x = 1,036,470,863.87
  5. Step 5: Solve for x
    x = 1,036,470,863.87/37,042.68
  6. Step 6: Final answer
    x = 27,980.45

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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.