Home / 34,091.48-47,038.32-20,659.79

Finding the Fourth Proportional to 34,091.48, 47,038.32 and 20,659.79

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Solution

The fourth proportional to 34,091.48, 47,038.32 and 20,659.79 is: 28,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,091.48 : 47,038.32 = 20,659.79 : x
  2. Step 2: Convert to fraction form
    34,091.48/47,038.32 = 20,659.79/x
  3. Step 3: Cross multiply
    34,091.48x = 47,038.32 × 20,659.79
  4. Step 4: Simplify right side
    34,091.48x = 971,801,930.75
  5. Step 5: Solve for x
    x = 971,801,930.75/34,091.48
  6. Step 6: Final answer
    x = 28,505.71

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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.