Home / 58,241.28-87,380.36-20,800.56

Finding the Fourth Proportional to 58,241.28, 87,380.36 and 20,800.56

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Solution

The fourth proportional to 58,241.28, 87,380.36 and 20,800.56 is: 31,207.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,241.28 : 87,380.36 = 20,800.56 : x
  2. Step 2: Convert to fraction form
    58,241.28/87,380.36 = 20,800.56/x
  3. Step 3: Cross multiply
    58,241.28x = 87,380.36 × 20,800.56
  4. Step 4: Simplify right side
    58,241.28x = 1,817,560,421.00
  5. Step 5: Solve for x
    x = 1,817,560,421.00/58,241.28
  6. Step 6: Final answer
    x = 31,207.43

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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.