Home / 61,081.61-91,558.47-25,563.28

Finding the Fourth Proportional to 61,081.61, 91,558.47 and 25,563.28

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Solution

The fourth proportional to 61,081.61, 91,558.47 and 25,563.28 is: 38,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,081.61 : 91,558.47 = 25,563.28 : x
  2. Step 2: Convert to fraction form
    61,081.61/91,558.47 = 25,563.28/x
  3. Step 3: Cross multiply
    61,081.61x = 91,558.47 × 25,563.28
  4. Step 4: Simplify right side
    61,081.61x = 2,340,534,804.98
  5. Step 5: Solve for x
    x = 2,340,534,804.98/61,081.61
  6. Step 6: Final answer
    x = 38,318.16

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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.