Home / 73,007.20-109,467.60-38,015.20

Finding the Fourth Proportional to 73,007.20, 109,467.60 and 38,015.20

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Solution

The fourth proportional to 73,007.20, 109,467.60 and 38,015.20 is: 57,000.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,007.20 : 109,467.60 = 38,015.20 : x
  2. Step 2: Convert to fraction form
    73,007.20/109,467.60 = 38,015.20/x
  3. Step 3: Cross multiply
    73,007.20x = 109,467.60 × 38,015.20
  4. Step 4: Simplify right side
    73,007.20x = 4,161,432,707.52
  5. Step 5: Solve for x
    x = 4,161,432,707.52/73,007.20
  6. Step 6: Final answer
    x = 57,000.31

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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.