Home / 35,309.30-48,714.91-20,191.19

Finding the Fourth Proportional to 35,309.30, 48,714.91 and 20,191.19

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Solution

The fourth proportional to 35,309.30, 48,714.91 and 20,191.19 is: 27,857.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.30 : 48,714.91 = 20,191.19 : x
  2. Step 2: Convert to fraction form
    35,309.30/48,714.91 = 20,191.19/x
  3. Step 3: Cross multiply
    35,309.30x = 48,714.91 × 20,191.19
  4. Step 4: Simplify right side
    35,309.30x = 983,612,003.64
  5. Step 5: Solve for x
    x = 983,612,003.64/35,309.30
  6. Step 6: Final answer
    x = 27,857.02

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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.