Home / 31,929.61-47,936.83-27,279.51

Finding the Fourth Proportional to 31,929.61, 47,936.83 and 27,279.51

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Solution

The fourth proportional to 31,929.61, 47,936.83 and 27,279.51 is: 40,955.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,929.61 : 47,936.83 = 27,279.51 : x
  2. Step 2: Convert to fraction form
    31,929.61/47,936.83 = 27,279.51/x
  3. Step 3: Cross multiply
    31,929.61x = 47,936.83 × 27,279.51
  4. Step 4: Simplify right side
    31,929.61x = 1,307,693,233.35
  5. Step 5: Solve for x
    x = 1,307,693,233.35/31,929.61
  6. Step 6: Final answer
    x = 40,955.50

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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.