Home / 51,312.96-76,897.62-38,822.76

Finding the Fourth Proportional to 51,312.96, 76,897.62 and 38,822.76

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Solution

The fourth proportional to 51,312.96, 76,897.62 and 38,822.76 is: 58,179.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,312.96 : 76,897.62 = 38,822.76 : x
  2. Step 2: Convert to fraction form
    51,312.96/76,897.62 = 38,822.76/x
  3. Step 3: Cross multiply
    51,312.96x = 76,897.62 × 38,822.76
  4. Step 4: Simplify right side
    51,312.96x = 2,985,377,845.83
  5. Step 5: Solve for x
    x = 2,985,377,845.83/51,312.96
  6. Step 6: Final answer
    x = 58,179.80

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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.