Home / 34,489.67-47,595.69-20,159.35

Finding the Fourth Proportional to 34,489.67, 47,595.69 and 20,159.35

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Solution

The fourth proportional to 34,489.67, 47,595.69 and 20,159.35 is: 27,819.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,489.67 : 47,595.69 = 20,159.35 : x
  2. Step 2: Convert to fraction form
    34,489.67/47,595.69 = 20,159.35/x
  3. Step 3: Cross multiply
    34,489.67x = 47,595.69 × 20,159.35
  4. Step 4: Simplify right side
    34,489.67x = 959,498,054.21
  5. Step 5: Solve for x
    x = 959,498,054.21/34,489.67
  6. Step 6: Final answer
    x = 27,819.87

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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.