Home / 47,301.96-70,891.64-19,189.28

Finding the Fourth Proportional to 47,301.96, 70,891.64 and 19,189.28

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Solution

The fourth proportional to 47,301.96, 70,891.64 and 19,189.28 is: 28,759.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,301.96 : 70,891.64 = 19,189.28 : x
  2. Step 2: Convert to fraction form
    47,301.96/70,891.64 = 19,189.28/x
  3. Step 3: Cross multiply
    47,301.96x = 70,891.64 × 19,189.28
  4. Step 4: Simplify right side
    47,301.96x = 1,360,359,529.62
  5. Step 5: Solve for x
    x = 1,360,359,529.62/47,301.96
  6. Step 6: Final answer
    x = 28,759.05

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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.