Home / 53,687.04-74,087.68-29,813.79

Finding the Fourth Proportional to 53,687.04, 74,087.68 and 29,813.79

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Solution

The fourth proportional to 53,687.04, 74,087.68 and 29,813.79 is: 41,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,687.04 : 74,087.68 = 29,813.79 : x
  2. Step 2: Convert to fraction form
    53,687.04/74,087.68 = 29,813.79/x
  3. Step 3: Cross multiply
    53,687.04x = 74,087.68 × 29,813.79
  4. Step 4: Simplify right side
    53,687.04x = 2,208,834,533.11
  5. Step 5: Solve for x
    x = 2,208,834,533.11/53,687.04
  6. Step 6: Final answer
    x = 41,142.79

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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.