Home / 34,300.98-47,334.87-18,778.68

Finding the Fourth Proportional to 34,300.98, 47,334.87 and 18,778.68

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Solution

The fourth proportional to 34,300.98, 47,334.87 and 18,778.68 is: 25,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,300.98 : 47,334.87 = 18,778.68 : x
  2. Step 2: Convert to fraction form
    34,300.98/47,334.87 = 18,778.68/x
  3. Step 3: Cross multiply
    34,300.98x = 47,334.87 × 18,778.68
  4. Step 4: Simplify right side
    34,300.98x = 888,886,376.57
  5. Step 5: Solve for x
    x = 888,886,376.57/34,300.98
  6. Step 6: Final answer
    x = 25,914.31

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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.