Home / 39,813.22-59,728.47-12,110.50

Finding the Fourth Proportional to 39,813.22, 59,728.47 and 12,110.50

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Solution

The fourth proportional to 39,813.22, 59,728.47 and 12,110.50 is: 18,168.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,813.22 : 59,728.47 = 12,110.50 : x
  2. Step 2: Convert to fraction form
    39,813.22/59,728.47 = 12,110.50/x
  3. Step 3: Cross multiply
    39,813.22x = 59,728.47 × 12,110.50
  4. Step 4: Simplify right side
    39,813.22x = 723,341,635.94
  5. Step 5: Solve for x
    x = 723,341,635.94/39,813.22
  6. Step 6: Final answer
    x = 18,168.38

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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.