Home / 54,003.31-74,528.15-30,130.50

Finding the Fourth Proportional to 54,003.31, 74,528.15 and 30,130.50

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Solution

The fourth proportional to 54,003.31, 74,528.15 and 30,130.50 is: 41,582.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,003.31 : 74,528.15 = 30,130.50 : x
  2. Step 2: Convert to fraction form
    54,003.31/74,528.15 = 30,130.50/x
  3. Step 3: Cross multiply
    54,003.31x = 74,528.15 × 30,130.50
  4. Step 4: Simplify right side
    54,003.31x = 2,245,570,272.92
  5. Step 5: Solve for x
    x = 2,245,570,272.92/54,003.31
  6. Step 6: Final answer
    x = 41,582.09

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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.