Home / 36,784.77-50,761.47-20,868.90

Finding the Fourth Proportional to 36,784.77, 50,761.47 and 20,868.90

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Solution

The fourth proportional to 36,784.77, 50,761.47 and 20,868.90 is: 28,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,784.77 : 50,761.47 = 20,868.90 : x
  2. Step 2: Convert to fraction form
    36,784.77/50,761.47 = 20,868.90/x
  3. Step 3: Cross multiply
    36,784.77x = 50,761.47 × 20,868.90
  4. Step 4: Simplify right side
    36,784.77x = 1,059,336,041.28
  5. Step 5: Solve for x
    x = 1,059,336,041.28/36,784.77
  6. Step 6: Final answer
    x = 28,798.22

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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.