Home / 39,215.85-58,823.65-11,135.94

Finding the Fourth Proportional to 39,215.85, 58,823.65 and 11,135.94

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Solution

The fourth proportional to 39,215.85, 58,823.65 and 11,135.94 is: 16,703.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,215.85 : 58,823.65 = 11,135.94 : x
  2. Step 2: Convert to fraction form
    39,215.85/58,823.65 = 11,135.94/x
  3. Step 3: Cross multiply
    39,215.85x = 58,823.65 × 11,135.94
  4. Step 4: Simplify right side
    39,215.85x = 655,056,636.98
  5. Step 5: Solve for x
    x = 655,056,636.98/39,215.85
  6. Step 6: Final answer
    x = 16,703.87

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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.