Home / 35,392.10-48,842.44-20,287.69

Finding the Fourth Proportional to 35,392.10, 48,842.44 and 20,287.69

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Solution

The fourth proportional to 35,392.10, 48,842.44 and 20,287.69 is: 27,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,392.10 : 48,842.44 = 20,287.69 : x
  2. Step 2: Convert to fraction form
    35,392.10/48,842.44 = 20,287.69/x
  3. Step 3: Cross multiply
    35,392.10x = 48,842.44 × 20,287.69
  4. Step 4: Simplify right side
    35,392.10x = 990,900,108.74
  5. Step 5: Solve for x
    x = 990,900,108.74/35,392.10
  6. Step 6: Final answer
    x = 27,997.78

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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.