Home / 39,328.15-54,270.92-22,330.17

Finding the Fourth Proportional to 39,328.15, 54,270.92 and 22,330.17

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Solution

The fourth proportional to 39,328.15, 54,270.92 and 22,330.17 is: 30,814.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,328.15 : 54,270.92 = 22,330.17 : x
  2. Step 2: Convert to fraction form
    39,328.15/54,270.92 = 22,330.17/x
  3. Step 3: Cross multiply
    39,328.15x = 54,270.92 × 22,330.17
  4. Step 4: Simplify right side
    39,328.15x = 1,211,878,869.66
  5. Step 5: Solve for x
    x = 1,211,878,869.66/39,328.15
  6. Step 6: Final answer
    x = 30,814.54

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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.