Home / 34,277.70-47,309.10-19,945.86

Finding the Fourth Proportional to 34,277.70, 47,309.10 and 19,945.86

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Solution

The fourth proportional to 34,277.70, 47,309.10 and 19,945.86 is: 27,528.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,277.70 : 47,309.10 = 19,945.86 : x
  2. Step 2: Convert to fraction form
    34,277.70/47,309.10 = 19,945.86/x
  3. Step 3: Cross multiply
    34,277.70x = 47,309.10 × 19,945.86
  4. Step 4: Simplify right side
    34,277.70x = 943,620,685.33
  5. Step 5: Solve for x
    x = 943,620,685.33/34,277.70
  6. Step 6: Final answer
    x = 27,528.70

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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.