Home / 54,359.19-81,535.14-14,913

Finding the Fourth Proportional to 54,359.19, 81,535.14 and 14,913

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Solution

The fourth proportional to 54,359.19, 81,535.14 and 14,913 is: 22,368.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,359.19 : 81,535.14 = 14,913 : x
  2. Step 2: Convert to fraction form
    54,359.19/81,535.14 = 14,913/x
  3. Step 3: Cross multiply
    54,359.19x = 81,535.14 × 14,913
  4. Step 4: Simplify right side
    54,359.19x = 1,215,933,542.82
  5. Step 5: Solve for x
    x = 1,215,933,542.82/54,359.19
  6. Step 6: Final answer
    x = 22,368.50

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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.