Home / 37,774.20-56,661.30-31,207.80

Finding the Fourth Proportional to 37,774.20, 56,661.30 and 31,207.80

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Solution

The fourth proportional to 37,774.20, 56,661.30 and 31,207.80 is: 46,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,774.20 : 56,661.30 = 31,207.80 : x
  2. Step 2: Convert to fraction form
    37,774.20/56,661.30 = 31,207.80/x
  3. Step 3: Cross multiply
    37,774.20x = 56,661.30 × 31,207.80
  4. Step 4: Simplify right side
    37,774.20x = 1,768,274,518.14
  5. Step 5: Solve for x
    x = 1,768,274,518.14/37,774.20
  6. Step 6: Final answer
    x = 46,811.70

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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.