Home / 36,386.08-50,208.72-20,476

Finding the Fourth Proportional to 36,386.08, 50,208.72 and 20,476

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Solution

The fourth proportional to 36,386.08, 50,208.72 and 20,476 is: 28,254.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,386.08 : 50,208.72 = 20,476 : x
  2. Step 2: Convert to fraction form
    36,386.08/50,208.72 = 20,476/x
  3. Step 3: Cross multiply
    36,386.08x = 50,208.72 × 20,476
  4. Step 4: Simplify right side
    36,386.08x = 1,028,073,750.72
  5. Step 5: Solve for x
    x = 1,028,073,750.72/36,386.08
  6. Step 6: Final answer
    x = 28,254.59

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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.