Home / 31,935.98-47,854.69-20,224.60

Finding the Fourth Proportional to 31,935.98, 47,854.69 and 20,224.60

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Solution

The fourth proportional to 31,935.98, 47,854.69 and 20,224.60 is: 30,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,935.98 : 47,854.69 = 20,224.60 : x
  2. Step 2: Convert to fraction form
    31,935.98/47,854.69 = 20,224.60/x
  3. Step 3: Cross multiply
    31,935.98x = 47,854.69 × 20,224.60
  4. Step 4: Simplify right side
    31,935.98x = 967,841,963.37
  5. Step 5: Solve for x
    x = 967,841,963.37/31,935.98
  6. Step 6: Final answer
    x = 30,305.69

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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.