Home / 43,108.28-64,614.48-18,140.96

Finding the Fourth Proportional to 43,108.28, 64,614.48 and 18,140.96

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Solution

The fourth proportional to 43,108.28, 64,614.48 and 18,140.96 is: 27,191.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.28 : 64,614.48 = 18,140.96 : x
  2. Step 2: Convert to fraction form
    43,108.28/64,614.48 = 18,140.96/x
  3. Step 3: Cross multiply
    43,108.28x = 64,614.48 × 18,140.96
  4. Step 4: Simplify right side
    43,108.28x = 1,172,168,697.10
  5. Step 5: Solve for x
    x = 1,172,168,697.10/43,108.28
  6. Step 6: Final answer
    x = 27,191.27

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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.