Home / 31,899.49-47,856.14-9,714.62

Finding the Fourth Proportional to 31,899.49, 47,856.14 and 9,714.62

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Solution

The fourth proportional to 31,899.49, 47,856.14 and 9,714.62 is: 14,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.49 : 47,856.14 = 9,714.62 : x
  2. Step 2: Convert to fraction form
    31,899.49/47,856.14 = 9,714.62/x
  3. Step 3: Cross multiply
    31,899.49x = 47,856.14 × 9,714.62
  4. Step 4: Simplify right side
    31,899.49x = 464,904,214.77
  5. Step 5: Solve for x
    x = 464,904,214.77/31,899.49
  6. Step 6: Final answer
    x = 14,574.03

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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.