Home / 52,039.60-78,035.06-18,755.28

Finding the Fourth Proportional to 52,039.60, 78,035.06 and 18,755.28

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Solution

The fourth proportional to 52,039.60, 78,035.06 and 18,755.28 is: 28,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,039.60 : 78,035.06 = 18,755.28 : x
  2. Step 2: Convert to fraction form
    52,039.60/78,035.06 = 18,755.28/x
  3. Step 3: Cross multiply
    52,039.60x = 78,035.06 × 18,755.28
  4. Step 4: Simplify right side
    52,039.60x = 1,463,569,447.01
  5. Step 5: Solve for x
    x = 1,463,569,447.01/52,039.60
  6. Step 6: Final answer
    x = 28,124.15

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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.