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Finding the Fourth Proportional to 54,595.76, 75,346.50 and 30,720.92

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Solution

The fourth proportional to 54,595.76, 75,346.50 and 30,720.92 is: 42,397.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,595.76 : 75,346.50 = 30,720.92 : x
  2. Step 2: Convert to fraction form
    54,595.76/75,346.50 = 30,720.92/x
  3. Step 3: Cross multiply
    54,595.76x = 75,346.50 × 30,720.92
  4. Step 4: Simplify right side
    54,595.76x = 2,314,713,798.78
  5. Step 5: Solve for x
    x = 2,314,713,798.78/54,595.76
  6. Step 6: Final answer
    x = 42,397.32

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