Home / 43,119.62-64,679.44-19,399.46

Finding the Fourth Proportional to 43,119.62, 64,679.44 and 19,399.46

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Solution

The fourth proportional to 43,119.62, 64,679.44 and 19,399.46 is: 29,099.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,119.62 : 64,679.44 = 19,399.46 : x
  2. Step 2: Convert to fraction form
    43,119.62/64,679.44 = 19,399.46/x
  3. Step 3: Cross multiply
    43,119.62x = 64,679.44 × 19,399.46
  4. Step 4: Simplify right side
    43,119.62x = 1,254,746,209.10
  5. Step 5: Solve for x
    x = 1,254,746,209.10/43,119.62
  6. Step 6: Final answer
    x = 29,099.20

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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.