Home / 36,313.60-50,111.20-21,207.12

Finding the Fourth Proportional to 36,313.60, 50,111.20 and 21,207.12

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Solution

The fourth proportional to 36,313.60, 50,111.20 and 21,207.12 is: 29,264.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.60 : 50,111.20 = 21,207.12 : x
  2. Step 2: Convert to fraction form
    36,313.60/50,111.20 = 21,207.12/x
  3. Step 3: Cross multiply
    36,313.60x = 50,111.20 × 21,207.12
  4. Step 4: Simplify right side
    36,313.60x = 1,062,714,231.74
  5. Step 5: Solve for x
    x = 1,062,714,231.74/36,313.60
  6. Step 6: Final answer
    x = 29,264.91

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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.