Home / 34,370.54-47,429.10-20,220.65

Finding the Fourth Proportional to 34,370.54, 47,429.10 and 20,220.65

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Solution

The fourth proportional to 34,370.54, 47,429.10 and 20,220.65 is: 27,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,370.54 : 47,429.10 = 20,220.65 : x
  2. Step 2: Convert to fraction form
    34,370.54/47,429.10 = 20,220.65/x
  3. Step 3: Cross multiply
    34,370.54x = 47,429.10 × 20,220.65
  4. Step 4: Simplify right side
    34,370.54x = 959,047,230.92
  5. Step 5: Solve for x
    x = 959,047,230.92/34,370.54
  6. Step 6: Final answer
    x = 27,903.18

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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.