Home / 37,759.20-56,638.60-9,679.20

Finding the Fourth Proportional to 37,759.20, 56,638.60 and 9,679.20

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Solution

The fourth proportional to 37,759.20, 56,638.60 and 9,679.20 is: 14,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,759.20 : 56,638.60 = 9,679.20 : x
  2. Step 2: Convert to fraction form
    37,759.20/56,638.60 = 9,679.20/x
  3. Step 3: Cross multiply
    37,759.20x = 56,638.60 × 9,679.20
  4. Step 4: Simplify right side
    37,759.20x = 548,216,337.12
  5. Step 5: Solve for x
    x = 548,216,337.12/37,759.20
  6. Step 6: Final answer
    x = 14,518.75

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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.