Home / 57,111.52-85,618-27,488.56

Finding the Fourth Proportional to 57,111.52, 85,618 and 27,488.56

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Solution

The fourth proportional to 57,111.52, 85,618 and 27,488.56 is: 41,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.52 : 85,618 = 27,488.56 : x
  2. Step 2: Convert to fraction form
    57,111.52/85,618 = 27,488.56/x
  3. Step 3: Cross multiply
    57,111.52x = 85,618 × 27,488.56
  4. Step 4: Simplify right side
    57,111.52x = 2,353,515,530.08
  5. Step 5: Solve for x
    x = 2,353,515,530.08/57,111.52
  6. Step 6: Final answer
    x = 41,209.12

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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.