Home / 34,231.86-47,238.27-19,121.51

Finding the Fourth Proportional to 34,231.86, 47,238.27 and 19,121.51

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Solution

The fourth proportional to 34,231.86, 47,238.27 and 19,121.51 is: 26,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.86 : 47,238.27 = 19,121.51 : x
  2. Step 2: Convert to fraction form
    34,231.86/47,238.27 = 19,121.51/x
  3. Step 3: Cross multiply
    34,231.86x = 47,238.27 × 19,121.51
  4. Step 4: Simplify right side
    34,231.86x = 903,266,816.00
  5. Step 5: Solve for x
    x = 903,266,816.00/34,231.86
  6. Step 6: Final answer
    x = 26,386.73

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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.