Home / 38,627.58-53,306.19-21,632.61

Finding the Fourth Proportional to 38,627.58, 53,306.19 and 21,632.61

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Solution

The fourth proportional to 38,627.58, 53,306.19 and 21,632.61 is: 29,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.58 : 53,306.19 = 21,632.61 : x
  2. Step 2: Convert to fraction form
    38,627.58/53,306.19 = 21,632.61/x
  3. Step 3: Cross multiply
    38,627.58x = 53,306.19 × 21,632.61
  4. Step 4: Simplify right side
    38,627.58x = 1,153,152,018.86
  5. Step 5: Solve for x
    x = 1,153,152,018.86/38,627.58
  6. Step 6: Final answer
    x = 29,853.07

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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.