Home / 36,838.24-55,140-29,358.40

Finding the Fourth Proportional to 36,838.24, 55,140 and 29,358.40

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Solution

The fourth proportional to 36,838.24, 55,140 and 29,358.40 is: 43,944.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,838.24 : 55,140 = 29,358.40 : x
  2. Step 2: Convert to fraction form
    36,838.24/55,140 = 29,358.40/x
  3. Step 3: Cross multiply
    36,838.24x = 55,140 × 29,358.40
  4. Step 4: Simplify right side
    36,838.24x = 1,618,822,176
  5. Step 5: Solve for x
    x = 1,618,822,176/36,838.24
  6. Step 6: Final answer
    x = 43,944.07

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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.