Home / 45,314.28-67,991.64-23,115.96

Finding the Fourth Proportional to 45,314.28, 67,991.64 and 23,115.96

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Solution

The fourth proportional to 45,314.28, 67,991.64 and 23,115.96 is: 34,684.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314.28 : 67,991.64 = 23,115.96 : x
  2. Step 2: Convert to fraction form
    45,314.28/67,991.64 = 23,115.96/x
  3. Step 3: Cross multiply
    45,314.28x = 67,991.64 × 23,115.96
  4. Step 4: Simplify right side
    45,314.28x = 1,571,692,030.57
  5. Step 5: Solve for x
    x = 1,571,692,030.57/45,314.28
  6. Step 6: Final answer
    x = 34,684.25

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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.