Home / 20,242.77-30,360.71-5,448.39

Finding the Fourth Proportional to 20,242.77, 30,360.71 and 5,448.39

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Solution

The fourth proportional to 20,242.77, 30,360.71 and 5,448.39 is: 8,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,242.77 : 30,360.71 = 5,448.39 : x
  2. Step 2: Convert to fraction form
    20,242.77/30,360.71 = 5,448.39/x
  3. Step 3: Cross multiply
    20,242.77x = 30,360.71 × 5,448.39
  4. Step 4: Simplify right side
    20,242.77x = 165,416,809.71
  5. Step 5: Solve for x
    x = 165,416,809.71/20,242.77
  6. Step 6: Final answer
    x = 8,171.65

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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.