Home / 53,141.66-73,333.99-28,942.08

Finding the Fourth Proportional to 53,141.66, 73,333.99 and 28,942.08

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Solution

The fourth proportional to 53,141.66, 73,333.99 and 28,942.08 is: 39,939.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,141.66 : 73,333.99 = 28,942.08 : x
  2. Step 2: Convert to fraction form
    53,141.66/73,333.99 = 28,942.08/x
  3. Step 3: Cross multiply
    53,141.66x = 73,333.99 × 28,942.08
  4. Step 4: Simplify right side
    53,141.66x = 2,122,437,966.47
  5. Step 5: Solve for x
    x = 2,122,437,966.47/53,141.66
  6. Step 6: Final answer
    x = 39,939.25

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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.