Home / 31,794.48-43,876.40-17,647.28

Finding the Fourth Proportional to 31,794.48, 43,876.40 and 17,647.28

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Solution

The fourth proportional to 31,794.48, 43,876.40 and 17,647.28 is: 24,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.48 : 43,876.40 = 17,647.28 : x
  2. Step 2: Convert to fraction form
    31,794.48/43,876.40 = 17,647.28/x
  3. Step 3: Cross multiply
    31,794.48x = 43,876.40 × 17,647.28
  4. Step 4: Simplify right side
    31,794.48x = 774,299,116.19
  5. Step 5: Solve for x
    x = 774,299,116.19/31,794.48
  6. Step 6: Final answer
    x = 24,353.26

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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.