Home / 38,583.87-53,246.75-21,587.55

Finding the Fourth Proportional to 38,583.87, 53,246.75 and 21,587.55

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Solution

The fourth proportional to 38,583.87, 53,246.75 and 21,587.55 is: 29,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.87 : 53,246.75 = 21,587.55 : x
  2. Step 2: Convert to fraction form
    38,583.87/53,246.75 = 21,587.55/x
  3. Step 3: Cross multiply
    38,583.87x = 53,246.75 × 21,587.55
  4. Step 4: Simplify right side
    38,583.87x = 1,149,466,770.02
  5. Step 5: Solve for x
    x = 1,149,466,770.02/38,583.87
  6. Step 6: Final answer
    x = 29,791.38

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Find fourth proportional to 38,584.87, 53,248.13 and 21,588.55
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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.