Home / 45,931.81-68,777.42-30,086.99

Finding the Fourth Proportional to 45,931.81, 68,777.42 and 30,086.99

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Solution

The fourth proportional to 45,931.81, 68,777.42 and 30,086.99 is: 45,051.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,931.81 : 68,777.42 = 30,086.99 : x
  2. Step 2: Convert to fraction form
    45,931.81/68,777.42 = 30,086.99/x
  3. Step 3: Cross multiply
    45,931.81x = 68,777.42 × 30,086.99
  4. Step 4: Simplify right side
    45,931.81x = 2,069,305,640.78
  5. Step 5: Solve for x
    x = 2,069,305,640.78/45,931.81
  6. Step 6: Final answer
    x = 45,051.69

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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.