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Finding the Fourth Proportional to 34,842.65, 48,081.06 and 18,927.06

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Solution

The fourth proportional to 34,842.65, 48,081.06 and 18,927.06 is: 26,118.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,842.65 : 48,081.06 = 18,927.06 : x
  2. Step 2: Convert to fraction form
    34,842.65/48,081.06 = 18,927.06/x
  3. Step 3: Cross multiply
    34,842.65x = 48,081.06 × 18,927.06
  4. Step 4: Simplify right side
    34,842.65x = 910,032,772.44
  5. Step 5: Solve for x
    x = 910,032,772.44/34,842.65
  6. Step 6: Final answer
    x = 26,118.36

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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.