Home / 43,080.28-64,620.43-13,498.11

Finding the Fourth Proportional to 43,080.28, 64,620.43 and 13,498.11

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Solution

The fourth proportional to 43,080.28, 64,620.43 and 13,498.11 is: 20,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,080.28 : 64,620.43 = 13,498.11 : x
  2. Step 2: Convert to fraction form
    43,080.28/64,620.43 = 13,498.11/x
  3. Step 3: Cross multiply
    43,080.28x = 64,620.43 × 13,498.11
  4. Step 4: Simplify right side
    43,080.28x = 872,253,638.64
  5. Step 5: Solve for x
    x = 872,253,638.64/43,080.28
  6. Step 6: Final answer
    x = 20,247.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.