Home / 73,276.20-109,917.90-38,284.20

Finding the Fourth Proportional to 73,276.20, 109,917.90 and 38,284.20

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Solution

The fourth proportional to 73,276.20, 109,917.90 and 38,284.20 is: 57,428.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,276.20 : 109,917.90 = 38,284.20 : x
  2. Step 2: Convert to fraction form
    73,276.20/109,917.90 = 38,284.20/x
  3. Step 3: Cross multiply
    73,276.20x = 109,917.90 × 38,284.20
  4. Step 4: Simplify right side
    73,276.20x = 4,208,118,867.18
  5. Step 5: Solve for x
    x = 4,208,118,867.18/73,276.20
  6. Step 6: Final answer
    x = 57,428.18

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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.