Home / 31,987.71-44,142.57-17,840.25

Finding the Fourth Proportional to 31,987.71, 44,142.57 and 17,840.25

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Solution

The fourth proportional to 31,987.71, 44,142.57 and 17,840.25 is: 24,619.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,987.71 : 44,142.57 = 17,840.25 : x
  2. Step 2: Convert to fraction form
    31,987.71/44,142.57 = 17,840.25/x
  3. Step 3: Cross multiply
    31,987.71x = 44,142.57 × 17,840.25
  4. Step 4: Simplify right side
    31,987.71x = 787,514,484.44
  5. Step 5: Solve for x
    x = 787,514,484.44/31,987.71
  6. Step 6: Final answer
    x = 24,619.28

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Double scale
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Similar ratio
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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.