Home / 34,770.60-47,979.90-21,342.42

Finding the Fourth Proportional to 34,770.60, 47,979.90 and 21,342.42

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Solution

The fourth proportional to 34,770.60, 47,979.90 and 21,342.42 is: 29,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,770.60 : 47,979.90 = 21,342.42 : x
  2. Step 2: Convert to fraction form
    34,770.60/47,979.90 = 21,342.42/x
  3. Step 3: Cross multiply
    34,770.60x = 47,979.90 × 21,342.42
  4. Step 4: Simplify right side
    34,770.60x = 1,024,007,177.36
  5. Step 5: Solve for x
    x = 1,024,007,177.36/34,770.60
  6. Step 6: Final answer
    x = 29,450.37

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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.