Home / 49,845.47-74,703.63-20,247.16

Finding the Fourth Proportional to 49,845.47, 74,703.63 and 20,247.16

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Solution

The fourth proportional to 49,845.47, 74,703.63 and 20,247.16 is: 30,344.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.47 : 74,703.63 = 20,247.16 : x
  2. Step 2: Convert to fraction form
    49,845.47/74,703.63 = 20,247.16/x
  3. Step 3: Cross multiply
    49,845.47x = 74,703.63 × 20,247.16
  4. Step 4: Simplify right side
    49,845.47x = 1,512,536,434.71
  5. Step 5: Solve for x
    x = 1,512,536,434.71/49,845.47
  6. Step 6: Final answer
    x = 30,344.51

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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.