Home / 48,922.40-73,189.20-42,420.80

Finding the Fourth Proportional to 48,922.40, 73,189.20 and 42,420.80

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Solution

The fourth proportional to 48,922.40, 73,189.20 and 42,420.80 is: 63,462.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,922.40 : 73,189.20 = 42,420.80 : x
  2. Step 2: Convert to fraction form
    48,922.40/73,189.20 = 42,420.80/x
  3. Step 3: Cross multiply
    48,922.40x = 73,189.20 × 42,420.80
  4. Step 4: Simplify right side
    48,922.40x = 3,104,744,415.36
  5. Step 5: Solve for x
    x = 3,104,744,415.36/48,922.40
  6. Step 6: Final answer
    x = 63,462.64

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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.