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Finding the Fourth Proportional to 29,719.07, 44,547.17 and 10,987.07

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Solution

The fourth proportional to 29,719.07, 44,547.17 and 10,987.07 is: 16,468.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,719.07 : 44,547.17 = 10,987.07 : x
  2. Step 2: Convert to fraction form
    29,719.07/44,547.17 = 10,987.07/x
  3. Step 3: Cross multiply
    29,719.07x = 44,547.17 × 10,987.07
  4. Step 4: Simplify right side
    29,719.07x = 489,442,875.09
  5. Step 5: Solve for x
    x = 489,442,875.09/29,719.07
  6. Step 6: Final answer
    x = 16,468.99

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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.