Home / 51,248.97-70,721.71-28,587.60

Finding the Fourth Proportional to 51,248.97, 70,721.71 and 28,587.60

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Solution

The fourth proportional to 51,248.97, 70,721.71 and 28,587.60 is: 39,449.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,248.97 : 70,721.71 = 28,587.60 : x
  2. Step 2: Convert to fraction form
    51,248.97/70,721.71 = 28,587.60/x
  3. Step 3: Cross multiply
    51,248.97x = 70,721.71 × 28,587.60
  4. Step 4: Simplify right side
    51,248.97x = 2,021,763,885.33
  5. Step 5: Solve for x
    x = 2,021,763,885.33/51,248.97
  6. Step 6: Final answer
    x = 39,449.84

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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.