Home / 34,739.52-47,939.64-19,632.12

Finding the Fourth Proportional to 34,739.52, 47,939.64 and 19,632.12

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Solution

The fourth proportional to 34,739.52, 47,939.64 and 19,632.12 is: 27,091.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,739.52 : 47,939.64 = 19,632.12 : x
  2. Step 2: Convert to fraction form
    34,739.52/47,939.64 = 19,632.12/x
  3. Step 3: Cross multiply
    34,739.52x = 47,939.64 × 19,632.12
  4. Step 4: Simplify right side
    34,739.52x = 941,156,765.24
  5. Step 5: Solve for x
    x = 941,156,765.24/34,739.52
  6. Step 6: Final answer
    x = 27,091.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.