Home / 31,421.95-43,361.19-17,274.69

Finding the Fourth Proportional to 31,421.95, 43,361.19 and 17,274.69

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Solution

The fourth proportional to 31,421.95, 43,361.19 and 17,274.69 is: 23,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,421.95 : 43,361.19 = 17,274.69 : x
  2. Step 2: Convert to fraction form
    31,421.95/43,361.19 = 17,274.69/x
  3. Step 3: Cross multiply
    31,421.95x = 43,361.19 × 17,274.69
  4. Step 4: Simplify right side
    31,421.95x = 749,051,028.91
  5. Step 5: Solve for x
    x = 749,051,028.91/31,421.95
  6. Step 6: Final answer
    x = 23,838.46

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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.