Home / 31,335-43,246.14-18,087

Finding the Fourth Proportional to 31,335, 43,246.14 and 18,087

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Solution

The fourth proportional to 31,335, 43,246.14 and 18,087 is: 24,962.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,335 : 43,246.14 = 18,087 : x
  2. Step 2: Convert to fraction form
    31,335/43,246.14 = 18,087/x
  3. Step 3: Cross multiply
    31,335x = 43,246.14 × 18,087
  4. Step 4: Simplify right side
    31,335x = 782,192,934.18
  5. Step 5: Solve for x
    x = 782,192,934.18/31,335
  6. Step 6: Final answer
    x = 24,962.28

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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.