Home / 45,420.81-68,145.09-23,249.90

Finding the Fourth Proportional to 45,420.81, 68,145.09 and 23,249.90

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Solution

The fourth proportional to 45,420.81, 68,145.09 and 23,249.90 is: 34,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.81 : 68,145.09 = 23,249.90 : x
  2. Step 2: Convert to fraction form
    45,420.81/68,145.09 = 23,249.90/x
  3. Step 3: Cross multiply
    45,420.81x = 68,145.09 × 23,249.90
  4. Step 4: Simplify right side
    45,420.81x = 1,584,366,527.99
  5. Step 5: Solve for x
    x = 1,584,366,527.99/45,420.81
  6. Step 6: Final answer
    x = 34,881.95

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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.