Home / 54,346.08-81,485.60-35,603.20

Finding the Fourth Proportional to 54,346.08, 81,485.60 and 35,603.20

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Solution

The fourth proportional to 54,346.08, 81,485.60 and 35,603.20 is: 53,382.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,346.08 : 81,485.60 = 35,603.20 : x
  2. Step 2: Convert to fraction form
    54,346.08/81,485.60 = 35,603.20/x
  3. Step 3: Cross multiply
    54,346.08x = 81,485.60 × 35,603.20
  4. Step 4: Simplify right side
    54,346.08x = 2,901,148,113.92
  5. Step 5: Solve for x
    x = 2,901,148,113.92/54,346.08
  6. Step 6: Final answer
    x = 53,382.84

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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.