Home / 34,309.20-47,352.84-20,162.76

Finding the Fourth Proportional to 34,309.20, 47,352.84 and 20,162.76

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Solution

The fourth proportional to 34,309.20, 47,352.84 and 20,162.76 is: 27,828.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,309.20 : 47,352.84 = 20,162.76 : x
  2. Step 2: Convert to fraction form
    34,309.20/47,352.84 = 20,162.76/x
  3. Step 3: Cross multiply
    34,309.20x = 47,352.84 × 20,162.76
  4. Step 4: Simplify right side
    34,309.20x = 954,763,948.24
  5. Step 5: Solve for x
    x = 954,763,948.24/34,309.20
  6. Step 6: Final answer
    x = 27,828.22

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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.