Home / 31,693.31-47,547.17-16,894.43

Finding the Fourth Proportional to 31,693.31, 47,547.17 and 16,894.43

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Solution

The fourth proportional to 31,693.31, 47,547.17 and 16,894.43 is: 25,345.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,693.31 : 47,547.17 = 16,894.43 : x
  2. Step 2: Convert to fraction form
    31,693.31/47,547.17 = 16,894.43/x
  3. Step 3: Cross multiply
    31,693.31x = 47,547.17 × 16,894.43
  4. Step 4: Simplify right side
    31,693.31x = 803,282,013.06
  5. Step 5: Solve for x
    x = 803,282,013.06/31,693.31
  6. Step 6: Final answer
    x = 25,345.48

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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.