Home / 31,421.21-43,360.16-17,273.94

Finding the Fourth Proportional to 31,421.21, 43,360.16 and 17,273.94

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Solution

The fourth proportional to 31,421.21, 43,360.16 and 17,273.94 is: 23,837.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.21 : 43,360.16 = 17,273.94 : x
  2. Step 2: Convert to fraction form
    31,421.21/43,360.16 = 17,273.94/x
  3. Step 3: Cross multiply
    31,421.21x = 43,360.16 × 17,273.94
  4. Step 4: Simplify right side
    31,421.21x = 749,000,715.86
  5. Step 5: Solve for x
    x = 749,000,715.86/31,421.21
  6. Step 6: Final answer
    x = 23,837.43

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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.