Home / 36,142.94-49,882.50-20,826.51

Finding the Fourth Proportional to 36,142.94, 49,882.50 and 20,826.51

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Solution

The fourth proportional to 36,142.94, 49,882.50 and 20,826.51 is: 28,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,142.94 : 49,882.50 = 20,826.51 : x
  2. Step 2: Convert to fraction form
    36,142.94/49,882.50 = 20,826.51/x
  3. Step 3: Cross multiply
    36,142.94x = 49,882.50 × 20,826.51
  4. Step 4: Simplify right side
    36,142.94x = 1,038,878,135.66
  5. Step 5: Solve for x
    x = 1,038,878,135.66/36,142.94
  6. Step 6: Final answer
    x = 28,743.60

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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.