Home / 30,919.23-46,378.17-7,545.60

Finding the Fourth Proportional to 30,919.23, 46,378.17 and 7,545.60

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Solution

The fourth proportional to 30,919.23, 46,378.17 and 7,545.60 is: 11,318.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.23 : 46,378.17 = 7,545.60 : x
  2. Step 2: Convert to fraction form
    30,919.23/46,378.17 = 7,545.60/x
  3. Step 3: Cross multiply
    30,919.23x = 46,378.17 × 7,545.60
  4. Step 4: Simplify right side
    30,919.23x = 349,951,119.55
  5. Step 5: Solve for x
    x = 349,951,119.55/30,919.23
  6. Step 6: Final answer
    x = 11,318.24

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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.