Home / 38,776.05-53,511.45-22,859.55

Finding the Fourth Proportional to 38,776.05, 53,511.45 and 22,859.55

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Solution

The fourth proportional to 38,776.05, 53,511.45 and 22,859.55 is: 31,546.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,776.05 : 53,511.45 = 22,859.55 : x
  2. Step 2: Convert to fraction form
    38,776.05/53,511.45 = 22,859.55/x
  3. Step 3: Cross multiply
    38,776.05x = 53,511.45 × 22,859.55
  4. Step 4: Simplify right side
    38,776.05x = 1,223,247,666.85
  5. Step 5: Solve for x
    x = 1,223,247,666.85/38,776.05
  6. Step 6: Final answer
    x = 31,546.47

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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.