Home / 31,381.63-43,301.39-17,950.11

Finding the Fourth Proportional to 31,381.63, 43,301.39 and 17,950.11

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Solution

The fourth proportional to 31,381.63, 43,301.39 and 17,950.11 is: 24,768.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.63 : 43,301.39 = 17,950.11 : x
  2. Step 2: Convert to fraction form
    31,381.63/43,301.39 = 17,950.11/x
  3. Step 3: Cross multiply
    31,381.63x = 43,301.39 × 17,950.11
  4. Step 4: Simplify right side
    31,381.63x = 777,264,461.52
  5. Step 5: Solve for x
    x = 777,264,461.52/31,381.63
  6. Step 6: Final answer
    x = 24,768.14

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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.