Home / 36,124.77-49,851.31-20,209.79

Finding the Fourth Proportional to 36,124.77, 49,851.31 and 20,209.79

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Solution

The fourth proportional to 36,124.77, 49,851.31 and 20,209.79 is: 27,889.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.77 : 49,851.31 = 20,209.79 : x
  2. Step 2: Convert to fraction form
    36,124.77/49,851.31 = 20,209.79/x
  3. Step 3: Cross multiply
    36,124.77x = 49,851.31 × 20,209.79
  4. Step 4: Simplify right side
    36,124.77x = 1,007,484,506.32
  5. Step 5: Solve for x
    x = 1,007,484,506.32/36,124.77
  6. Step 6: Final answer
    x = 27,889.02

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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.