Home / 51,421.83-70,998.89-40,103.97

Finding the Fourth Proportional to 51,421.83, 70,998.89 and 40,103.97

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Solution

The fourth proportional to 51,421.83, 70,998.89 and 40,103.97 is: 55,372.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,421.83 : 70,998.89 = 40,103.97 : x
  2. Step 2: Convert to fraction form
    51,421.83/70,998.89 = 40,103.97/x
  3. Step 3: Cross multiply
    51,421.83x = 70,998.89 × 40,103.97
  4. Step 4: Simplify right side
    51,421.83x = 2,847,337,354.59
  5. Step 5: Solve for x
    x = 2,847,337,354.59/51,421.83
  6. Step 6: Final answer
    x = 55,372.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.