Home / 31,484.28-43,448.40-17,338.44

Finding the Fourth Proportional to 31,484.28, 43,448.40 and 17,338.44

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Solution

The fourth proportional to 31,484.28, 43,448.40 and 17,338.44 is: 23,927.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,484.28 : 43,448.40 = 17,338.44 : x
  2. Step 2: Convert to fraction form
    31,484.28/43,448.40 = 17,338.44/x
  3. Step 3: Cross multiply
    31,484.28x = 43,448.40 × 17,338.44
  4. Step 4: Simplify right side
    31,484.28x = 753,327,476.50
  5. Step 5: Solve for x
    x = 753,327,476.50/31,484.28
  6. Step 6: Final answer
    x = 23,927.10

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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.