Home / 39,998.76-60,003.81-13,335.72

Finding the Fourth Proportional to 39,998.76, 60,003.81 and 13,335.72

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Solution

The fourth proportional to 39,998.76, 60,003.81 and 13,335.72 is: 20,005.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,998.76 : 60,003.81 = 13,335.72 : x
  2. Step 2: Convert to fraction form
    39,998.76/60,003.81 = 13,335.72/x
  3. Step 3: Cross multiply
    39,998.76x = 60,003.81 × 13,335.72
  4. Step 4: Simplify right side
    39,998.76x = 800,194,009.09
  5. Step 5: Solve for x
    x = 800,194,009.09/39,998.76
  6. Step 6: Final answer
    x = 20,005.47

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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.