Home / 45,380.20-68,102.70-25,637.80

Finding the Fourth Proportional to 45,380.20, 68,102.70 and 25,637.80

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Solution

The fourth proportional to 45,380.20, 68,102.70 and 25,637.80 is: 38,475.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.20 : 68,102.70 = 25,637.80 : x
  2. Step 2: Convert to fraction form
    45,380.20/68,102.70 = 25,637.80/x
  3. Step 3: Cross multiply
    45,380.20x = 68,102.70 × 25,637.80
  4. Step 4: Simplify right side
    45,380.20x = 1,746,003,402.06
  5. Step 5: Solve for x
    x = 1,746,003,402.06/45,380.20
  6. Step 6: Final answer
    x = 38,475.00

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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.