Home / 45,420.60-68,171.40-26,677.20

Finding the Fourth Proportional to 45,420.60, 68,171.40 and 26,677.20

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Solution

The fourth proportional to 45,420.60, 68,171.40 and 26,677.20 is: 40,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.60 : 68,171.40 = 26,677.20 : x
  2. Step 2: Convert to fraction form
    45,420.60/68,171.40 = 26,677.20/x
  3. Step 3: Cross multiply
    45,420.60x = 68,171.40 × 26,677.20
  4. Step 4: Simplify right side
    45,420.60x = 1,818,622,072.08
  5. Step 5: Solve for x
    x = 1,818,622,072.08/45,420.60
  6. Step 6: Final answer
    x = 40,039.59

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1.5x scale

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.