Home / 43,189.03-64,777.15-13,614.11

Finding the Fourth Proportional to 43,189.03, 64,777.15 and 13,614.11

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Solution

The fourth proportional to 43,189.03, 64,777.15 and 13,614.11 is: 20,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,189.03 : 64,777.15 = 13,614.11 : x
  2. Step 2: Convert to fraction form
    43,189.03/64,777.15 = 13,614.11/x
  3. Step 3: Cross multiply
    43,189.03x = 64,777.15 × 13,614.11
  4. Step 4: Simplify right side
    43,189.03x = 881,883,181.63
  5. Step 5: Solve for x
    x = 881,883,181.63/43,189.03
  6. Step 6: Final answer
    x = 20,419.15

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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.