Home / 34,231.11-47,238.39-19,123.98

Finding the Fourth Proportional to 34,231.11, 47,238.39 and 19,123.98

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Solution

The fourth proportional to 34,231.11, 47,238.39 and 19,123.98 is: 26,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.11 : 47,238.39 = 19,123.98 : x
  2. Step 2: Convert to fraction form
    34,231.11/47,238.39 = 19,123.98/x
  3. Step 3: Cross multiply
    34,231.11x = 47,238.39 × 19,123.98
  4. Step 4: Simplify right side
    34,231.11x = 903,386,025.59
  5. Step 5: Solve for x
    x = 903,386,025.59/34,231.11
  6. Step 6: Final answer
    x = 26,390.79

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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.