Home / 39,722.53-59,583.78-10,140.36

Finding the Fourth Proportional to 39,722.53, 59,583.78 and 10,140.36

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Solution

The fourth proportional to 39,722.53, 59,583.78 and 10,140.36 is: 15,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,722.53 : 59,583.78 = 10,140.36 : x
  2. Step 2: Convert to fraction form
    39,722.53/59,583.78 = 10,140.36/x
  3. Step 3: Cross multiply
    39,722.53x = 59,583.78 × 10,140.36
  4. Step 4: Simplify right side
    39,722.53x = 604,200,774.15
  5. Step 5: Solve for x
    x = 604,200,774.15/39,722.53
  6. Step 6: Final answer
    x = 15,210.53

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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.