Home / 31,897.34-47,845.94-10,839.56

Finding the Fourth Proportional to 31,897.34, 47,845.94 and 10,839.56

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Solution

The fourth proportional to 31,897.34, 47,845.94 and 10,839.56 is: 16,259.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,897.34 : 47,845.94 = 10,839.56 : x
  2. Step 2: Convert to fraction form
    31,897.34/47,845.94 = 10,839.56/x
  3. Step 3: Cross multiply
    31,897.34x = 47,845.94 × 10,839.56
  4. Step 4: Simplify right side
    31,897.34x = 518,628,937.39
  5. Step 5: Solve for x
    x = 518,628,937.39/31,897.34
  6. Step 6: Final answer
    x = 16,259.32

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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.