Home / 34,160.42-47,145.49-20,013.26

Finding the Fourth Proportional to 34,160.42, 47,145.49 and 20,013.26

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Solution

The fourth proportional to 34,160.42, 47,145.49 and 20,013.26 is: 27,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,160.42 : 47,145.49 = 20,013.26 : x
  2. Step 2: Convert to fraction form
    34,160.42/47,145.49 = 20,013.26/x
  3. Step 3: Cross multiply
    34,160.42x = 47,145.49 × 20,013.26
  4. Step 4: Simplify right side
    34,160.42x = 943,534,663.44
  5. Step 5: Solve for x
    x = 943,534,663.44/34,160.42
  6. Step 6: Final answer
    x = 27,620.70

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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.