Home / 39,310.47-54,247.32-22,316.27

Finding the Fourth Proportional to 39,310.47, 54,247.32 and 22,316.27

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Solution

The fourth proportional to 39,310.47, 54,247.32 and 22,316.27 is: 30,795.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.47 : 54,247.32 = 22,316.27 : x
  2. Step 2: Convert to fraction form
    39,310.47/54,247.32 = 22,316.27/x
  3. Step 3: Cross multiply
    39,310.47x = 54,247.32 × 22,316.27
  4. Step 4: Simplify right side
    39,310.47x = 1,210,597,568.66
  5. Step 5: Solve for x
    x = 1,210,597,568.66/39,310.47
  6. Step 6: Final answer
    x = 30,795.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.