Home / 54,541.20-75,262.32-30,670.50

Finding the Fourth Proportional to 54,541.20, 75,262.32 and 30,670.50

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Solution

The fourth proportional to 54,541.20, 75,262.32 and 30,670.50 is: 42,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,541.20 : 75,262.32 = 30,670.50 : x
  2. Step 2: Convert to fraction form
    54,541.20/75,262.32 = 30,670.50/x
  3. Step 3: Cross multiply
    54,541.20x = 75,262.32 × 30,670.50
  4. Step 4: Simplify right side
    54,541.20x = 2,308,332,985.56
  5. Step 5: Solve for x
    x = 2,308,332,985.56/54,541.20
  6. Step 6: Final answer
    x = 42,322.74

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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.