Home / 34,489.71-47,595.78-20,159.40

Finding the Fourth Proportional to 34,489.71, 47,595.78 and 20,159.40

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Solution

The fourth proportional to 34,489.71, 47,595.78 and 20,159.40 is: 27,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,489.71 : 47,595.78 = 20,159.40 : x
  2. Step 2: Convert to fraction form
    34,489.71/47,595.78 = 20,159.40/x
  3. Step 3: Cross multiply
    34,489.71x = 47,595.78 × 20,159.40
  4. Step 4: Simplify right side
    34,489.71x = 959,502,367.33
  5. Step 5: Solve for x
    x = 959,502,367.33/34,489.71
  6. Step 6: Final answer
    x = 27,819.96

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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.