Home / 34,237.45-47,239.05-20,087.56

Finding the Fourth Proportional to 34,237.45, 47,239.05 and 20,087.56

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Solution

The fourth proportional to 34,237.45, 47,239.05 and 20,087.56 is: 27,715.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,237.45 : 47,239.05 = 20,087.56 : x
  2. Step 2: Convert to fraction form
    34,237.45/47,239.05 = 20,087.56/x
  3. Step 3: Cross multiply
    34,237.45x = 47,239.05 × 20,087.56
  4. Step 4: Simplify right side
    34,237.45x = 948,917,272.60
  5. Step 5: Solve for x
    x = 948,917,272.60/34,237.45
  6. Step 6: Final answer
    x = 27,715.77

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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.