Home / 45,011.10-67,474.91-15,421.91

Finding the Fourth Proportional to 45,011.10, 67,474.91 and 15,421.91

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Solution

The fourth proportional to 45,011.10, 67,474.91 and 15,421.91 is: 23,118.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,011.10 : 67,474.91 = 15,421.91 : x
  2. Step 2: Convert to fraction form
    45,011.10/67,474.91 = 15,421.91/x
  3. Step 3: Cross multiply
    45,011.10x = 67,474.91 × 15,421.91
  4. Step 4: Simplify right side
    45,011.10x = 1,040,591,574.79
  5. Step 5: Solve for x
    x = 1,040,591,574.79/45,011.10
  6. Step 6: Final answer
    x = 23,118.55

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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.