Home / 39,621.89-59,419.10-15,922.41

Finding the Fourth Proportional to 39,621.89, 59,419.10 and 15,922.41

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Solution

The fourth proportional to 39,621.89, 59,419.10 and 15,922.41 is: 23,878.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.89 : 59,419.10 = 15,922.41 : x
  2. Step 2: Convert to fraction form
    39,621.89/59,419.10 = 15,922.41/x
  3. Step 3: Cross multiply
    39,621.89x = 59,419.10 × 15,922.41
  4. Step 4: Simplify right side
    39,621.89x = 946,095,192.42
  5. Step 5: Solve for x
    x = 946,095,192.42/39,621.89
  6. Step 6: Final answer
    x = 23,878.10

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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.