Home / 31,663.56-47,461.80-11,933.64

Finding the Fourth Proportional to 31,663.56, 47,461.80 and 11,933.64

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Solution

The fourth proportional to 31,663.56, 47,461.80 and 11,933.64 is: 17,887.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,663.56 : 47,461.80 = 11,933.64 : x
  2. Step 2: Convert to fraction form
    31,663.56/47,461.80 = 11,933.64/x
  3. Step 3: Cross multiply
    31,663.56x = 47,461.80 × 11,933.64
  4. Step 4: Simplify right side
    31,663.56x = 566,392,034.95
  5. Step 5: Solve for x
    x = 566,392,034.95/31,663.56
  6. Step 6: Final answer
    x = 17,887.82

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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.