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Finding the Fourth Proportional to 32,635, 45,036.30 and 19,387

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Solution

The fourth proportional to 32,635, 45,036.30 and 19,387 is: 26,754.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,635 : 45,036.30 = 19,387 : x
  2. Step 2: Convert to fraction form
    32,635/45,036.30 = 19,387/x
  3. Step 3: Cross multiply
    32,635x = 45,036.30 × 19,387
  4. Step 4: Simplify right side
    32,635x = 873,118,748.10
  5. Step 5: Solve for x
    x = 873,118,748.10/32,635
  6. Step 6: Final answer
    x = 26,754.06

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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.