Home / 54,107.60-81,152.16-14,655.50

Finding the Fourth Proportional to 54,107.60, 81,152.16 and 14,655.50

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Solution

The fourth proportional to 54,107.60, 81,152.16 and 14,655.50 is: 21,980.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.60 : 81,152.16 = 14,655.50 : x
  2. Step 2: Convert to fraction form
    54,107.60/81,152.16 = 14,655.50/x
  3. Step 3: Cross multiply
    54,107.60x = 81,152.16 × 14,655.50
  4. Step 4: Simplify right side
    54,107.60x = 1,189,325,480.88
  5. Step 5: Solve for x
    x = 1,189,325,480.88/54,107.60
  6. Step 6: Final answer
    x = 21,980.75

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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.