Home / 51,786.16-71,459.08-29,124.66

Finding the Fourth Proportional to 51,786.16, 71,459.08 and 29,124.66

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Solution

The fourth proportional to 51,786.16, 71,459.08 and 29,124.66 is: 40,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.16 : 71,459.08 = 29,124.66 : x
  2. Step 2: Convert to fraction form
    51,786.16/71,459.08 = 29,124.66/x
  3. Step 3: Cross multiply
    51,786.16x = 71,459.08 × 29,124.66
  4. Step 4: Simplify right side
    51,786.16x = 2,081,221,408.91
  5. Step 5: Solve for x
    x = 2,081,221,408.91/51,786.16
  6. Step 6: Final answer
    x = 40,188.76

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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.