Home / 31,421.70-43,360.84-17,274.44

Finding the Fourth Proportional to 31,421.70, 43,360.84 and 17,274.44

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Solution

The fourth proportional to 31,421.70, 43,360.84 and 17,274.44 is: 23,838.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.70 : 43,360.84 = 17,274.44 : x
  2. Step 2: Convert to fraction form
    31,421.70/43,360.84 = 17,274.44/x
  3. Step 3: Cross multiply
    31,421.70x = 43,360.84 × 17,274.44
  4. Step 4: Simplify right side
    31,421.70x = 749,034,228.93
  5. Step 5: Solve for x
    x = 749,034,228.93/31,421.70
  6. Step 6: Final answer
    x = 23,838.12

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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.