Home / 30,362.09-45,545.85-8,174.97

Finding the Fourth Proportional to 30,362.09, 45,545.85 and 8,174.97

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Solution

The fourth proportional to 30,362.09, 45,545.85 and 8,174.97 is: 12,263.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,362.09 : 45,545.85 = 8,174.97 : x
  2. Step 2: Convert to fraction form
    30,362.09/45,545.85 = 8,174.97/x
  3. Step 3: Cross multiply
    30,362.09x = 45,545.85 × 8,174.97
  4. Step 4: Simplify right side
    30,362.09x = 372,335,957.37
  5. Step 5: Solve for x
    x = 372,335,957.37/30,362.09
  6. Step 6: Final answer
    x = 12,263.19

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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.