Home / 31,480.36-43,445.97-23,508.76

Finding the Fourth Proportional to 31,480.36, 43,445.97 and 23,508.76

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Solution

The fourth proportional to 31,480.36, 43,445.97 and 23,508.76 is: 32,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,480.36 : 43,445.97 = 23,508.76 : x
  2. Step 2: Convert to fraction form
    31,480.36/43,445.97 = 23,508.76/x
  3. Step 3: Cross multiply
    31,480.36x = 43,445.97 × 23,508.76
  4. Step 4: Simplify right side
    31,480.36x = 1,021,360,881.70
  5. Step 5: Solve for x
    x = 1,021,360,881.70/31,480.36
  6. Step 6: Final answer
    x = 32,444.38

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Half scale
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Double scale
Find fourth proportional to 31,481.36, 43,447.35 and 23,509.76
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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.