Home / 52,178.52-78,273.96-18,914.28

Finding the Fourth Proportional to 52,178.52, 78,273.96 and 18,914.28

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Solution

The fourth proportional to 52,178.52, 78,273.96 and 18,914.28 is: 28,373.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178.52 : 78,273.96 = 18,914.28 : x
  2. Step 2: Convert to fraction form
    52,178.52/78,273.96 = 18,914.28/x
  3. Step 3: Cross multiply
    52,178.52x = 78,273.96 × 18,914.28
  4. Step 4: Simplify right side
    52,178.52x = 1,480,495,596.15
  5. Step 5: Solve for x
    x = 1,480,495,596.15/52,178.52
  6. Step 6: Final answer
    x = 28,373.66

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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.