Home / 37,890.92-52,289.82-20,895.80

Finding the Fourth Proportional to 37,890.92, 52,289.82 and 20,895.80

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Solution

The fourth proportional to 37,890.92, 52,289.82 and 20,895.80 is: 28,836.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,890.92 : 52,289.82 = 20,895.80 : x
  2. Step 2: Convert to fraction form
    37,890.92/52,289.82 = 20,895.80/x
  3. Step 3: Cross multiply
    37,890.92x = 52,289.82 × 20,895.80
  4. Step 4: Simplify right side
    37,890.92x = 1,092,637,359.31
  5. Step 5: Solve for x
    x = 1,092,637,359.31/37,890.92
  6. Step 6: Final answer
    x = 28,836.39

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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.