Home / 20,039.83-30,061.47-5,248.75

Finding the Fourth Proportional to 20,039.83, 30,061.47 and 5,248.75

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Solution

The fourth proportional to 20,039.83, 30,061.47 and 5,248.75 is: 7,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.83 : 30,061.47 = 5,248.75 : x
  2. Step 2: Convert to fraction form
    20,039.83/30,061.47 = 5,248.75/x
  3. Step 3: Cross multiply
    20,039.83x = 30,061.47 × 5,248.75
  4. Step 4: Simplify right side
    20,039.83x = 157,785,140.66
  5. Step 5: Solve for x
    x = 157,785,140.66/20,039.83
  6. Step 6: Final answer
    x = 7,873.58

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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.