Home / 39,769.51-59,641.58-13,110.53

Finding the Fourth Proportional to 39,769.51, 59,641.58 and 13,110.53

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Solution

The fourth proportional to 39,769.51, 59,641.58 and 13,110.53 is: 19,661.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,769.51 : 59,641.58 = 13,110.53 : x
  2. Step 2: Convert to fraction form
    39,769.51/59,641.58 = 13,110.53/x
  3. Step 3: Cross multiply
    39,769.51x = 59,641.58 × 13,110.53
  4. Step 4: Simplify right side
    39,769.51x = 781,932,403.10
  5. Step 5: Solve for x
    x = 781,932,403.10/39,769.51
  6. Step 6: Final answer
    x = 19,661.61

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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.