Home / 34,119.68-47,086.08-19,215.36

Finding the Fourth Proportional to 34,119.68, 47,086.08 and 19,215.36

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Solution

The fourth proportional to 34,119.68, 47,086.08 and 19,215.36 is: 26,517.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,119.68 : 47,086.08 = 19,215.36 : x
  2. Step 2: Convert to fraction form
    34,119.68/47,086.08 = 19,215.36/x
  3. Step 3: Cross multiply
    34,119.68x = 47,086.08 × 19,215.36
  4. Step 4: Simplify right side
    34,119.68x = 904,775,978.19
  5. Step 5: Solve for x
    x = 904,775,978.19/34,119.68
  6. Step 6: Final answer
    x = 26,517.72

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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.