Home / 38,626.24-53,291.78-21,627.98

Finding the Fourth Proportional to 38,626.24, 53,291.78 and 21,627.98

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Solution

The fourth proportional to 38,626.24, 53,291.78 and 21,627.98 is: 29,839.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626.24 : 53,291.78 = 21,627.98 : x
  2. Step 2: Convert to fraction form
    38,626.24/53,291.78 = 21,627.98/x
  3. Step 3: Cross multiply
    38,626.24x = 53,291.78 × 21,627.98
  4. Step 4: Simplify right side
    38,626.24x = 1,152,593,552.00
  5. Step 5: Solve for x
    x = 1,152,593,552.00/38,626.24
  6. Step 6: Final answer
    x = 29,839.65

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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.