Home / 34,309.92-47,351.88-20,164.08

Finding the Fourth Proportional to 34,309.92, 47,351.88 and 20,164.08

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Solution

The fourth proportional to 34,309.92, 47,351.88 and 20,164.08 is: 27,828.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,309.92 : 47,351.88 = 20,164.08 : x
  2. Step 2: Convert to fraction form
    34,309.92/47,351.88 = 20,164.08/x
  3. Step 3: Cross multiply
    34,309.92x = 47,351.88 × 20,164.08
  4. Step 4: Simplify right side
    34,309.92x = 954,807,096.47
  5. Step 5: Solve for x
    x = 954,807,096.47/34,309.92
  6. Step 6: Final answer
    x = 27,828.89

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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.