Home / 31,345.84-46,956.66-18,869.14

Finding the Fourth Proportional to 31,345.84, 46,956.66 and 18,869.14

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Solution

The fourth proportional to 31,345.84, 46,956.66 and 18,869.14 is: 28,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,345.84 : 46,956.66 = 18,869.14 : x
  2. Step 2: Convert to fraction form
    31,345.84/46,956.66 = 18,869.14/x
  3. Step 3: Cross multiply
    31,345.84x = 46,956.66 × 18,869.14
  4. Step 4: Simplify right side
    31,345.84x = 886,031,791.47
  5. Step 5: Solve for x
    x = 886,031,791.47/31,345.84
  6. Step 6: Final answer
    x = 28,266.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.