Home / 37,945.62-56,925.12-12,979.80

Finding the Fourth Proportional to 37,945.62, 56,925.12 and 12,979.80

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Solution

The fourth proportional to 37,945.62, 56,925.12 and 12,979.80 is: 19,471.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,945.62 : 56,925.12 = 12,979.80 : x
  2. Step 2: Convert to fraction form
    37,945.62/56,925.12 = 12,979.80/x
  3. Step 3: Cross multiply
    37,945.62x = 56,925.12 × 12,979.80
  4. Step 4: Simplify right side
    37,945.62x = 738,876,672.58
  5. Step 5: Solve for x
    x = 738,876,672.58/37,945.62
  6. Step 6: Final answer
    x = 19,471.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.