Home / 34,237.86-47,245.18-19,128.43

Finding the Fourth Proportional to 34,237.86, 47,245.18 and 19,128.43

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Solution

The fourth proportional to 34,237.86, 47,245.18 and 19,128.43 is: 26,395.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.86 : 47,245.18 = 19,128.43 : x
  2. Step 2: Convert to fraction form
    34,237.86/47,245.18 = 19,128.43/x
  3. Step 3: Cross multiply
    34,237.86x = 47,245.18 × 19,128.43
  4. Step 4: Simplify right side
    34,237.86x = 903,726,046.14
  5. Step 5: Solve for x
    x = 903,726,046.14/34,237.86
  6. Step 6: Final answer
    x = 26,395.51

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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.