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Finding the Fourth Proportional to 56,236.76, 84,353.31 and 14,683.76

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Solution

The fourth proportional to 56,236.76, 84,353.31 and 14,683.76 is: 22,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,236.76 : 84,353.31 = 14,683.76 : x
  2. Step 2: Convert to fraction form
    56,236.76/84,353.31 = 14,683.76/x
  3. Step 3: Cross multiply
    56,236.76x = 84,353.31 × 14,683.76
  4. Step 4: Simplify right side
    56,236.76x = 1,238,623,337.48
  5. Step 5: Solve for x
    x = 1,238,623,337.48/56,236.76
  6. Step 6: Final answer
    x = 22,025.16

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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.