Home / 40,752.53-61,129.03-18,550.38

Finding the Fourth Proportional to 40,752.53, 61,129.03 and 18,550.38

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Solution

The fourth proportional to 40,752.53, 61,129.03 and 18,550.38 is: 27,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752.53 : 61,129.03 = 18,550.38 : x
  2. Step 2: Convert to fraction form
    40,752.53/61,129.03 = 18,550.38/x
  3. Step 3: Cross multiply
    40,752.53x = 61,129.03 × 18,550.38
  4. Step 4: Simplify right side
    40,752.53x = 1,133,966,689.16
  5. Step 5: Solve for x
    x = 1,133,966,689.16/40,752.53
  6. Step 6: Final answer
    x = 27,825.67

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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.