Home / 48,420.56-66,808.58-28,265.96

Finding the Fourth Proportional to 48,420.56, 66,808.58 and 28,265.96

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Solution

The fourth proportional to 48,420.56, 66,808.58 and 28,265.96 is: 39,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,420.56 : 66,808.58 = 28,265.96 : x
  2. Step 2: Convert to fraction form
    48,420.56/66,808.58 = 28,265.96/x
  3. Step 3: Cross multiply
    48,420.56x = 66,808.58 × 28,265.96
  4. Step 4: Simplify right side
    48,420.56x = 1,888,408,649.94
  5. Step 5: Solve for x
    x = 1,888,408,649.94/48,420.56
  6. Step 6: Final answer
    x = 39,000.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.