Home / 40,007.96-60,049.59-20,300.66

Finding the Fourth Proportional to 40,007.96, 60,049.59 and 20,300.66

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Solution

The fourth proportional to 40,007.96, 60,049.59 and 20,300.66 is: 30,470.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,007.96 : 60,049.59 = 20,300.66 : x
  2. Step 2: Convert to fraction form
    40,007.96/60,049.59 = 20,300.66/x
  3. Step 3: Cross multiply
    40,007.96x = 60,049.59 × 20,300.66
  4. Step 4: Simplify right side
    40,007.96x = 1,219,046,009.48
  5. Step 5: Solve for x
    x = 1,219,046,009.48/40,007.96
  6. Step 6: Final answer
    x = 30,470.09

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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.