Home / 38,639,128.80-57,958,693.20-27,301,720.80

Finding the Fourth Proportional to 38,639,128.80, 57,958,693.20 and 27,301,720.80

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Solution

The fourth proportional to 38,639,128.80, 57,958,693.20 and 27,301,720.80 is: 40,952,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,128.80 : 57,958,693.20 = 27,301,720.80 : x
  2. Step 2: Convert to fraction form
    38,639,128.80/57,958,693.20 = 27,301,720.80/x
  3. Step 3: Cross multiply
    38,639,128.80x = 57,958,693.20 × 27,301,720.80
  4. Step 4: Simplify right side
    38,639,128.80x = 1,582,372,059,679,258.75
  5. Step 5: Solve for x
    x = 1,582,372,059,679,258.75/38,639,128.80
  6. Step 6: Final answer
    x = 40,952,581.20

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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.