Home / 51,438.30-70,977.96-29,922.18

Finding the Fourth Proportional to 51,438.30, 70,977.96 and 29,922.18

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Solution

The fourth proportional to 51,438.30, 70,977.96 and 29,922.18 is: 41,288.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,438.30 : 70,977.96 = 29,922.18 : x
  2. Step 2: Convert to fraction form
    51,438.30/70,977.96 = 29,922.18/x
  3. Step 3: Cross multiply
    51,438.30x = 70,977.96 × 29,922.18
  4. Step 4: Simplify right side
    51,438.30x = 2,123,815,295.15
  5. Step 5: Solve for x
    x = 2,123,815,295.15/51,438.30
  6. Step 6: Final answer
    x = 41,288.60

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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.