Home / 31,913.44-47,840.40-10,839.08

Finding the Fourth Proportional to 31,913.44, 47,840.40 and 10,839.08

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Solution

The fourth proportional to 31,913.44, 47,840.40 and 10,839.08 is: 16,248.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,913.44 : 47,840.40 = 10,839.08 : x
  2. Step 2: Convert to fraction form
    31,913.44/47,840.40 = 10,839.08/x
  3. Step 3: Cross multiply
    31,913.44x = 47,840.40 × 10,839.08
  4. Step 4: Simplify right side
    31,913.44x = 518,545,922.83
  5. Step 5: Solve for x
    x = 518,545,922.83/31,913.44
  6. Step 6: Final answer
    x = 16,248.51

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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.