Home / 61,154.49-84,359.03-38,485.02

Finding the Fourth Proportional to 61,154.49, 84,359.03 and 38,485.02

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Solution

The fourth proportional to 61,154.49, 84,359.03 and 38,485.02 is: 53,087.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,154.49 : 84,359.03 = 38,485.02 : x
  2. Step 2: Convert to fraction form
    61,154.49/84,359.03 = 38,485.02/x
  3. Step 3: Cross multiply
    61,154.49x = 84,359.03 × 38,485.02
  4. Step 4: Simplify right side
    61,154.49x = 3,246,558,764.31
  5. Step 5: Solve for x
    x = 3,246,558,764.31/61,154.49
  6. Step 6: Final answer
    x = 53,087.82

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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.