Home / 31,398.10-47,067.87-10,607.06

Finding the Fourth Proportional to 31,398.10, 47,067.87 and 10,607.06

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Solution

The fourth proportional to 31,398.10, 47,067.87 and 10,607.06 is: 15,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.10 : 47,067.87 = 10,607.06 : x
  2. Step 2: Convert to fraction form
    31,398.10/47,067.87 = 10,607.06/x
  3. Step 3: Cross multiply
    31,398.10x = 47,067.87 × 10,607.06
  4. Step 4: Simplify right side
    31,398.10x = 499,251,721.16
  5. Step 5: Solve for x
    x = 499,251,721.16/31,398.10
  6. Step 6: Final answer
    x = 15,900.70

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1.5x scale

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.