Home / 45,693.81-68,513.28-19,007.70

Finding the Fourth Proportional to 45,693.81, 68,513.28 and 19,007.70

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Solution

The fourth proportional to 45,693.81, 68,513.28 and 19,007.70 is: 28,500.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,693.81 : 68,513.28 = 19,007.70 : x
  2. Step 2: Convert to fraction form
    45,693.81/68,513.28 = 19,007.70/x
  3. Step 3: Cross multiply
    45,693.81x = 68,513.28 × 19,007.70
  4. Step 4: Simplify right side
    45,693.81x = 1,302,279,872.26
  5. Step 5: Solve for x
    x = 1,302,279,872.26/45,693.81
  6. Step 6: Final answer
    x = 28,500.14

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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.