Home / 31,360.52-47,028.48-12,637.06

Finding the Fourth Proportional to 31,360.52, 47,028.48 and 12,637.06

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Solution

The fourth proportional to 31,360.52, 47,028.48 and 12,637.06 is: 18,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.52 : 47,028.48 = 12,637.06 : x
  2. Step 2: Convert to fraction form
    31,360.52/47,028.48 = 12,637.06/x
  3. Step 3: Cross multiply
    31,360.52x = 47,028.48 × 12,637.06
  4. Step 4: Simplify right side
    31,360.52x = 594,301,723.47
  5. Step 5: Solve for x
    x = 594,301,723.47/31,360.52
  6. Step 6: Final answer
    x = 18,950.63

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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.