Home / 43,098.98-64,648.44-13,519.10

Finding the Fourth Proportional to 43,098.98, 64,648.44 and 13,519.10

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Solution

The fourth proportional to 43,098.98, 64,648.44 and 13,519.10 is: 20,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,098.98 : 64,648.44 = 13,519.10 : x
  2. Step 2: Convert to fraction form
    43,098.98/64,648.44 = 13,519.10/x
  3. Step 3: Cross multiply
    43,098.98x = 64,648.44 × 13,519.10
  4. Step 4: Simplify right side
    43,098.98x = 873,988,725.20
  5. Step 5: Solve for x
    x = 873,988,725.20/43,098.98
  6. Step 6: Final answer
    x = 20,278.64

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1.5x scale

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.