Home / 39,242.48-58,854.80-11,161.90

Finding the Fourth Proportional to 39,242.48, 58,854.80 and 11,161.90

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Solution

The fourth proportional to 39,242.48, 58,854.80 and 11,161.90 is: 16,740.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,242.48 : 58,854.80 = 11,161.90 : x
  2. Step 2: Convert to fraction form
    39,242.48/58,854.80 = 11,161.90/x
  3. Step 3: Cross multiply
    39,242.48x = 58,854.80 × 11,161.90
  4. Step 4: Simplify right side
    39,242.48x = 656,931,493.59
  5. Step 5: Solve for x
    x = 656,931,493.59/39,242.48
  6. Step 6: Final answer
    x = 16,740.32

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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.