Home / 36,747.48-50,703.18-20,828.28

Finding the Fourth Proportional to 36,747.48, 50,703.18 and 20,828.28

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Solution

The fourth proportional to 36,747.48, 50,703.18 and 20,828.28 is: 28,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,747.48 : 50,703.18 = 20,828.28 : x
  2. Step 2: Convert to fraction form
    36,747.48/50,703.18 = 20,828.28/x
  3. Step 3: Cross multiply
    36,747.48x = 50,703.18 × 20,828.28
  4. Step 4: Simplify right side
    36,747.48x = 1,056,060,029.93
  5. Step 5: Solve for x
    x = 1,056,060,029.93/36,747.48
  6. Step 6: Final answer
    x = 28,738.30

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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.