Home / 42,658.18-63,856.05-27,835.18

Finding the Fourth Proportional to 42,658.18, 63,856.05 and 27,835.18

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Solution

The fourth proportional to 42,658.18, 63,856.05 and 27,835.18 is: 41,667.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,658.18 : 63,856.05 = 27,835.18 : x
  2. Step 2: Convert to fraction form
    42,658.18/63,856.05 = 27,835.18/x
  3. Step 3: Cross multiply
    42,658.18x = 63,856.05 × 27,835.18
  4. Step 4: Simplify right side
    42,658.18x = 1,777,444,381.82
  5. Step 5: Solve for x
    x = 1,777,444,381.82/42,658.18
  6. Step 6: Final answer
    x = 41,667.14

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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.