Home / 31,681.64-43,721.34-17,535.08

Finding the Fourth Proportional to 31,681.64, 43,721.34 and 17,535.08

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Solution

The fourth proportional to 31,681.64, 43,721.34 and 17,535.08 is: 24,198.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.64 : 43,721.34 = 17,535.08 : x
  2. Step 2: Convert to fraction form
    31,681.64/43,721.34 = 17,535.08/x
  3. Step 3: Cross multiply
    31,681.64x = 43,721.34 × 17,535.08
  4. Step 4: Simplify right side
    31,681.64x = 766,657,194.61
  5. Step 5: Solve for x
    x = 766,657,194.61/31,681.64
  6. Step 6: Final answer
    x = 24,198.78

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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.