Home / 51,044.25-70,442.29-28,384.20

Finding the Fourth Proportional to 51,044.25, 70,442.29 and 28,384.20

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Solution

The fourth proportional to 51,044.25, 70,442.29 and 28,384.20 is: 39,170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,044.25 : 70,442.29 = 28,384.20 : x
  2. Step 2: Convert to fraction form
    51,044.25/70,442.29 = 28,384.20/x
  3. Step 3: Cross multiply
    51,044.25x = 70,442.29 × 28,384.20
  4. Step 4: Simplify right side
    51,044.25x = 1,999,448,083.30
  5. Step 5: Solve for x
    x = 1,999,448,083.30/51,044.25
  6. Step 6: Final answer
    x = 39,170.88

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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.