Home / 40,782.89-61,154.55-23,921.41

Finding the Fourth Proportional to 40,782.89, 61,154.55 and 23,921.41

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Solution

The fourth proportional to 40,782.89, 61,154.55 and 23,921.41 is: 35,870.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,782.89 : 61,154.55 = 23,921.41 : x
  2. Step 2: Convert to fraction form
    40,782.89/61,154.55 = 23,921.41/x
  3. Step 3: Cross multiply
    40,782.89x = 61,154.55 × 23,921.41
  4. Step 4: Simplify right side
    40,782.89x = 1,462,903,063.92
  5. Step 5: Solve for x
    x = 1,462,903,063.92/40,782.89
  6. Step 6: Final answer
    x = 35,870.51

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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.