Home / 34,695.55-47,880.20-18,780.34

Finding the Fourth Proportional to 34,695.55, 47,880.20 and 18,780.34

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Solution

The fourth proportional to 34,695.55, 47,880.20 and 18,780.34 is: 25,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,695.55 : 47,880.20 = 18,780.34 : x
  2. Step 2: Convert to fraction form
    34,695.55/47,880.20 = 18,780.34/x
  3. Step 3: Cross multiply
    34,695.55x = 47,880.20 × 18,780.34
  4. Step 4: Simplify right side
    34,695.55x = 899,206,435.27
  5. Step 5: Solve for x
    x = 899,206,435.27/34,695.55
  6. Step 6: Final answer
    x = 25,917.05

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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.