Home / 31,601.12-47,426.16-11,897.60

Finding the Fourth Proportional to 31,601.12, 47,426.16 and 11,897.60

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Solution

The fourth proportional to 31,601.12, 47,426.16 and 11,897.60 is: 17,855.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,601.12 : 47,426.16 = 11,897.60 : x
  2. Step 2: Convert to fraction form
    31,601.12/47,426.16 = 11,897.60/x
  3. Step 3: Cross multiply
    31,601.12x = 47,426.16 × 11,897.60
  4. Step 4: Simplify right side
    31,601.12x = 564,257,481.22
  5. Step 5: Solve for x
    x = 564,257,481.22/31,601.12
  6. Step 6: Final answer
    x = 17,855.62

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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.