Home / 31,937.59-47,904.16-11,943.28

Finding the Fourth Proportional to 31,937.59, 47,904.16 and 11,943.28

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Solution

The fourth proportional to 31,937.59, 47,904.16 and 11,943.28 is: 17,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,937.59 : 47,904.16 = 11,943.28 : x
  2. Step 2: Convert to fraction form
    31,937.59/47,904.16 = 11,943.28/x
  3. Step 3: Cross multiply
    31,937.59x = 47,904.16 × 11,943.28
  4. Step 4: Simplify right side
    31,937.59x = 572,132,796.04
  5. Step 5: Solve for x
    x = 572,132,796.04/31,937.59
  6. Step 6: Final answer
    x = 17,914.09

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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.