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Finding the Fourth Proportional to 58,182, 87,273 and 21,246

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Solution

The fourth proportional to 58,182, 87,273 and 21,246 is: 31,869

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,182 : 87,273 = 21,246 : x
  2. Step 2: Convert to fraction form
    58,182/87,273 = 21,246/x
  3. Step 3: Cross multiply
    58,182x = 87,273 × 21,246
  4. Step 4: Simplify right side
    58,182x = 1,854,202,158
  5. Step 5: Solve for x
    x = 1,854,202,158/58,182
  6. Step 6: Final answer
    x = 31,869

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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.