Home / 42,296.63-63,434.54-18,610.12

Finding the Fourth Proportional to 42,296.63, 63,434.54 and 18,610.12

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Solution

The fourth proportional to 42,296.63, 63,434.54 and 18,610.12 is: 27,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,296.63 : 63,434.54 = 18,610.12 : x
  2. Step 2: Convert to fraction form
    42,296.63/63,434.54 = 18,610.12/x
  3. Step 3: Cross multiply
    42,296.63x = 63,434.54 × 18,610.12
  4. Step 4: Simplify right side
    42,296.63x = 1,180,524,527.36
  5. Step 5: Solve for x
    x = 1,180,524,527.36/42,296.63
  6. Step 6: Final answer
    x = 27,910.61

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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.