Home / 34,631.12-47,794.92-20,488.88

Finding the Fourth Proportional to 34,631.12, 47,794.92 and 20,488.88

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Solution

The fourth proportional to 34,631.12, 47,794.92 and 20,488.88 is: 28,277.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,631.12 : 47,794.92 = 20,488.88 : x
  2. Step 2: Convert to fraction form
    34,631.12/47,794.92 = 20,488.88/x
  3. Step 3: Cross multiply
    34,631.12x = 47,794.92 × 20,488.88
  4. Step 4: Simplify right side
    34,631.12x = 979,264,380.49
  5. Step 5: Solve for x
    x = 979,264,380.49/34,631.12
  6. Step 6: Final answer
    x = 28,277.01

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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.