Home / 52,266.33-78,374.80-20,260.39

Finding the Fourth Proportional to 52,266.33, 78,374.80 and 20,260.39

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Solution

The fourth proportional to 52,266.33, 78,374.80 and 20,260.39 is: 30,381.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,266.33 : 78,374.80 = 20,260.39 : x
  2. Step 2: Convert to fraction form
    52,266.33/78,374.80 = 20,260.39/x
  3. Step 3: Cross multiply
    52,266.33x = 78,374.80 × 20,260.39
  4. Step 4: Simplify right side
    52,266.33x = 1,587,904,014.17
  5. Step 5: Solve for x
    x = 1,587,904,014.17/52,266.33
  6. Step 6: Final answer
    x = 30,381.01

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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.