Home / 30,609.72-45,919.98-15,814.52

Finding the Fourth Proportional to 30,609.72, 45,919.98 and 15,814.52

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Solution

The fourth proportional to 30,609.72, 45,919.98 and 15,814.52 is: 23,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,609.72 : 45,919.98 = 15,814.52 : x
  2. Step 2: Convert to fraction form
    30,609.72/45,919.98 = 15,814.52/x
  3. Step 3: Cross multiply
    30,609.72x = 45,919.98 × 15,814.52
  4. Step 4: Simplify right side
    30,609.72x = 726,202,442.11
  5. Step 5: Solve for x
    x = 726,202,442.11/30,609.72
  6. Step 6: Final answer
    x = 23,724.57

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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.