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Finding the Fourth Proportional to 34,866.84, 52,326.18 and 19,314.84

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Solution

The fourth proportional to 34,866.84, 52,326.18 and 19,314.84 is: 28,986.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,866.84 : 52,326.18 = 19,314.84 : x
  2. Step 2: Convert to fraction form
    34,866.84/52,326.18 = 19,314.84/x
  3. Step 3: Cross multiply
    34,866.84x = 52,326.18 × 19,314.84
  4. Step 4: Simplify right side
    34,866.84x = 1,010,671,794.51
  5. Step 5: Solve for x
    x = 1,010,671,794.51/34,866.84
  6. Step 6: Final answer
    x = 28,986.62

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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.