Home / 31,637.48-43,660.02-17,489.96

Finding the Fourth Proportional to 31,637.48, 43,660.02 and 17,489.96

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Solution

The fourth proportional to 31,637.48, 43,660.02 and 17,489.96 is: 24,136.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.48 : 43,660.02 = 17,489.96 : x
  2. Step 2: Convert to fraction form
    31,637.48/43,660.02 = 17,489.96/x
  3. Step 3: Cross multiply
    31,637.48x = 43,660.02 × 17,489.96
  4. Step 4: Simplify right side
    31,637.48x = 763,612,003.40
  5. Step 5: Solve for x
    x = 763,612,003.40/31,637.48
  6. Step 6: Final answer
    x = 24,136.31

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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.