Home / 45,812.63-68,707.89-19,144.19

Finding the Fourth Proportional to 45,812.63, 68,707.89 and 19,144.19

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Solution

The fourth proportional to 45,812.63, 68,707.89 and 19,144.19 is: 28,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812.63 : 68,707.89 = 19,144.19 : x
  2. Step 2: Convert to fraction form
    45,812.63/68,707.89 = 19,144.19/x
  3. Step 3: Cross multiply
    45,812.63x = 68,707.89 × 19,144.19
  4. Step 4: Simplify right side
    45,812.63x = 1,315,356,557.12
  5. Step 5: Solve for x
    x = 1,315,356,557.12/45,812.63
  6. Step 6: Final answer
    x = 28,711.66

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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.