Home / 34,169.93-47,159.69-20,738.59

Finding the Fourth Proportional to 34,169.93, 47,159.69 and 20,738.59

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Solution

The fourth proportional to 34,169.93, 47,159.69 and 20,738.59 is: 28,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,169.93 : 47,159.69 = 20,738.59 : x
  2. Step 2: Convert to fraction form
    34,169.93/47,159.69 = 20,738.59/x
  3. Step 3: Cross multiply
    34,169.93x = 47,159.69 × 20,738.59
  4. Step 4: Simplify right side
    34,169.93x = 978,025,475.44
  5. Step 5: Solve for x
    x = 978,025,475.44/34,169.93
  6. Step 6: Final answer
    x = 28,622.40

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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.