Home / 29,547.57-40,782.66-16,979.61

Finding the Fourth Proportional to 29,547.57, 40,782.66 and 16,979.61

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Solution

The fourth proportional to 29,547.57, 40,782.66 and 16,979.61 is: 23,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,547.57 : 40,782.66 = 16,979.61 : x
  2. Step 2: Convert to fraction form
    29,547.57/40,782.66 = 16,979.61/x
  3. Step 3: Cross multiply
    29,547.57x = 40,782.66 × 16,979.61
  4. Step 4: Simplify right side
    29,547.57x = 692,473,661.56
  5. Step 5: Solve for x
    x = 692,473,661.56/29,547.57
  6. Step 6: Final answer
    x = 23,435.89

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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.