Home / 46,778.88-70,169.76-20,470.08

Finding the Fourth Proportional to 46,778.88, 70,169.76 and 20,470.08

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Solution

The fourth proportional to 46,778.88, 70,169.76 and 20,470.08 is: 30,705.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,778.88 : 70,169.76 = 20,470.08 : x
  2. Step 2: Convert to fraction form
    46,778.88/70,169.76 = 20,470.08/x
  3. Step 3: Cross multiply
    46,778.88x = 70,169.76 × 20,470.08
  4. Step 4: Simplify right side
    46,778.88x = 1,436,380,600.78
  5. Step 5: Solve for x
    x = 1,436,380,600.78/46,778.88
  6. Step 6: Final answer
    x = 30,705.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.