Home / 38,860.54-53,627.08-21,864.72

Finding the Fourth Proportional to 38,860.54, 53,627.08 and 21,864.72

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Solution

The fourth proportional to 38,860.54, 53,627.08 and 21,864.72 is: 30,173.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,860.54 : 53,627.08 = 21,864.72 : x
  2. Step 2: Convert to fraction form
    38,860.54/53,627.08 = 21,864.72/x
  3. Step 3: Cross multiply
    38,860.54x = 53,627.08 × 21,864.72
  4. Step 4: Simplify right side
    38,860.54x = 1,172,541,088.62
  5. Step 5: Solve for x
    x = 1,172,541,088.62/38,860.54
  6. Step 6: Final answer
    x = 30,173.05

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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.