Home / 34,680.40-47,858.86-18,764.84

Finding the Fourth Proportional to 34,680.40, 47,858.86 and 18,764.84

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Solution

The fourth proportional to 34,680.40, 47,858.86 and 18,764.84 is: 25,895.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,680.40 : 47,858.86 = 18,764.84 : x
  2. Step 2: Convert to fraction form
    34,680.40/47,858.86 = 18,764.84/x
  3. Step 3: Cross multiply
    34,680.40x = 47,858.86 × 18,764.84
  4. Step 4: Simplify right side
    34,680.40x = 898,063,850.48
  5. Step 5: Solve for x
    x = 898,063,850.48/34,680.40
  6. Step 6: Final answer
    x = 25,895.43

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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.