Home / 45,800.68-68,712.64-19,142.06

Finding the Fourth Proportional to 45,800.68, 68,712.64 and 19,142.06

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Solution

The fourth proportional to 45,800.68, 68,712.64 and 19,142.06 is: 28,717.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,800.68 : 68,712.64 = 19,142.06 : x
  2. Step 2: Convert to fraction form
    45,800.68/68,712.64 = 19,142.06/x
  3. Step 3: Cross multiply
    45,800.68x = 68,712.64 × 19,142.06
  4. Step 4: Simplify right side
    45,800.68x = 1,315,301,381.93
  5. Step 5: Solve for x
    x = 1,315,301,381.93/45,800.68
  6. Step 6: Final answer
    x = 28,717.94

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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.