Home / 39,869.52-59,782.32-13,563.60

Finding the Fourth Proportional to 39,869.52, 59,782.32 and 13,563.60

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Solution

The fourth proportional to 39,869.52, 59,782.32 and 13,563.60 is: 20,337.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869.52 : 59,782.32 = 13,563.60 : x
  2. Step 2: Convert to fraction form
    39,869.52/59,782.32 = 13,563.60/x
  3. Step 3: Cross multiply
    39,869.52x = 59,782.32 × 13,563.60
  4. Step 4: Simplify right side
    39,869.52x = 810,863,475.55
  5. Step 5: Solve for x
    x = 810,863,475.55/39,869.52
  6. Step 6: Final answer
    x = 20,337.93

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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.