Home / 39,880.53-59,777.28-19,631.22

Finding the Fourth Proportional to 39,880.53, 59,777.28 and 19,631.22

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Solution

The fourth proportional to 39,880.53, 59,777.28 and 19,631.22 is: 29,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,880.53 : 59,777.28 = 19,631.22 : x
  2. Step 2: Convert to fraction form
    39,880.53/59,777.28 = 19,631.22/x
  3. Step 3: Cross multiply
    39,880.53x = 59,777.28 × 19,631.22
  4. Step 4: Simplify right side
    39,880.53x = 1,173,500,985.97
  5. Step 5: Solve for x
    x = 1,173,500,985.97/39,880.53
  6. Step 6: Final answer
    x = 29,425.41

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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.