Home / 31,092.06-42,905.68-17,663.26

Finding the Fourth Proportional to 31,092.06, 42,905.68 and 17,663.26

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Solution

The fourth proportional to 31,092.06, 42,905.68 and 17,663.26 is: 24,374.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,092.06 : 42,905.68 = 17,663.26 : x
  2. Step 2: Convert to fraction form
    31,092.06/42,905.68 = 17,663.26/x
  3. Step 3: Cross multiply
    31,092.06x = 42,905.68 × 17,663.26
  4. Step 4: Simplify right side
    31,092.06x = 757,854,181.32
  5. Step 5: Solve for x
    x = 757,854,181.32/31,092.06
  6. Step 6: Final answer
    x = 24,374.52

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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.