Home / 39,135.63-58,700.33-11,054.55

Finding the Fourth Proportional to 39,135.63, 58,700.33 and 11,054.55

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Solution

The fourth proportional to 39,135.63, 58,700.33 and 11,054.55 is: 16,580.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.63 : 58,700.33 = 11,054.55 : x
  2. Step 2: Convert to fraction form
    39,135.63/58,700.33 = 11,054.55/x
  3. Step 3: Cross multiply
    39,135.63x = 58,700.33 × 11,054.55
  4. Step 4: Simplify right side
    39,135.63x = 648,905,609.12
  5. Step 5: Solve for x
    x = 648,905,609.12/39,135.63
  6. Step 6: Final answer
    x = 16,580.94

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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.