Home / 31,641.12-43,663.08-17,493.60

Finding the Fourth Proportional to 31,641.12, 43,663.08 and 17,493.60

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Solution

The fourth proportional to 31,641.12, 43,663.08 and 17,493.60 is: 24,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,641.12 : 43,663.08 = 17,493.60 : x
  2. Step 2: Convert to fraction form
    31,641.12/43,663.08 = 17,493.60/x
  3. Step 3: Cross multiply
    31,641.12x = 43,663.08 × 17,493.60
  4. Step 4: Simplify right side
    31,641.12x = 763,824,456.29
  5. Step 5: Solve for x
    x = 763,824,456.29/31,641.12
  6. Step 6: Final answer
    x = 24,140.25

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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.