Home / 31,637.64-43,659.75-17,490.39

Finding the Fourth Proportional to 31,637.64, 43,659.75 and 17,490.39

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Solution

The fourth proportional to 31,637.64, 43,659.75 and 17,490.39 is: 24,136.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.64 : 43,659.75 = 17,490.39 : x
  2. Step 2: Convert to fraction form
    31,637.64/43,659.75 = 17,490.39/x
  3. Step 3: Cross multiply
    31,637.64x = 43,659.75 × 17,490.39
  4. Step 4: Simplify right side
    31,637.64x = 763,626,054.80
  5. Step 5: Solve for x
    x = 763,626,054.80/31,637.64
  6. Step 6: Final answer
    x = 24,136.63

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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.