Home / 31,515.54-43,489.47-17,368.48

Finding the Fourth Proportional to 31,515.54, 43,489.47 and 17,368.48

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Solution

The fourth proportional to 31,515.54, 43,489.47 and 17,368.48 is: 23,967.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,515.54 : 43,489.47 = 17,368.48 : x
  2. Step 2: Convert to fraction form
    31,515.54/43,489.47 = 17,368.48/x
  3. Step 3: Cross multiply
    31,515.54x = 43,489.47 × 17,368.48
  4. Step 4: Simplify right side
    31,515.54x = 755,345,989.91
  5. Step 5: Solve for x
    x = 755,345,989.91/31,515.54
  6. Step 6: Final answer
    x = 23,967.41

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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.