Home / 34,070.31-47,022.66-19,920.42

Finding the Fourth Proportional to 34,070.31, 47,022.66 and 19,920.42

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Solution

The fourth proportional to 34,070.31, 47,022.66 and 19,920.42 is: 27,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,070.31 : 47,022.66 = 19,920.42 : x
  2. Step 2: Convert to fraction form
    34,070.31/47,022.66 = 19,920.42/x
  3. Step 3: Cross multiply
    34,070.31x = 47,022.66 × 19,920.42
  4. Step 4: Simplify right side
    34,070.31x = 936,711,136.72
  5. Step 5: Solve for x
    x = 936,711,136.72/34,070.31
  6. Step 6: Final answer
    x = 27,493.47

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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.