Home / 51,043.71-70,443.36-28,382.88

Finding the Fourth Proportional to 51,043.71, 70,443.36 and 28,382.88

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Solution

The fourth proportional to 51,043.71, 70,443.36 and 28,382.88 is: 39,170.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,043.71 : 70,443.36 = 28,382.88 : x
  2. Step 2: Convert to fraction form
    51,043.71/70,443.36 = 28,382.88/x
  3. Step 3: Cross multiply
    51,043.71x = 70,443.36 × 28,382.88
  4. Step 4: Simplify right side
    51,043.71x = 1,999,385,433.68
  5. Step 5: Solve for x
    x = 1,999,385,433.68/51,043.71
  6. Step 6: Final answer
    x = 39,170.06

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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.