Home / 52,273.35-78,361.02-18,985.05

Finding the Fourth Proportional to 52,273.35, 78,361.02 and 18,985.05

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Solution

The fourth proportional to 52,273.35, 78,361.02 and 18,985.05 is: 28,459.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,273.35 : 78,361.02 = 18,985.05 : x
  2. Step 2: Convert to fraction form
    52,273.35/78,361.02 = 18,985.05/x
  3. Step 3: Cross multiply
    52,273.35x = 78,361.02 × 18,985.05
  4. Step 4: Simplify right side
    52,273.35x = 1,487,687,882.75
  5. Step 5: Solve for x
    x = 1,487,687,882.75/52,273.35
  6. Step 6: Final answer
    x = 28,459.78

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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.