Home / 31,264.51-43,146.11-17,117.45

Finding the Fourth Proportional to 31,264.51, 43,146.11 and 17,117.45

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Solution

The fourth proportional to 31,264.51, 43,146.11 and 17,117.45 is: 23,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.51 : 43,146.11 = 17,117.45 : x
  2. Step 2: Convert to fraction form
    31,264.51/43,146.11 = 17,117.45/x
  3. Step 3: Cross multiply
    31,264.51x = 43,146.11 × 17,117.45
  4. Step 4: Simplify right side
    31,264.51x = 738,551,380.62
  5. Step 5: Solve for x
    x = 738,551,380.62/31,264.51
  6. Step 6: Final answer
    x = 23,622.68

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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.