Home / 37,786.32-56,678.52-18,078.80

Finding the Fourth Proportional to 37,786.32, 56,678.52 and 18,078.80

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Solution

The fourth proportional to 37,786.32, 56,678.52 and 18,078.80 is: 27,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786.32 : 56,678.52 = 18,078.80 : x
  2. Step 2: Convert to fraction form
    37,786.32/56,678.52 = 18,078.80/x
  3. Step 3: Cross multiply
    37,786.32x = 56,678.52 × 18,078.80
  4. Step 4: Simplify right side
    37,786.32x = 1,024,679,627.38
  5. Step 5: Solve for x
    x = 1,024,679,627.38/37,786.32
  6. Step 6: Final answer
    x = 27,117.74

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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.