Home / 35,679.80-53,515.47-9,386.60

Finding the Fourth Proportional to 35,679.80, 53,515.47 and 9,386.60

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Solution

The fourth proportional to 35,679.80, 53,515.47 and 9,386.60 is: 14,078.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,679.80 : 53,515.47 = 9,386.60 : x
  2. Step 2: Convert to fraction form
    35,679.80/53,515.47 = 9,386.60/x
  3. Step 3: Cross multiply
    35,679.80x = 53,515.47 × 9,386.60
  4. Step 4: Simplify right side
    35,679.80x = 502,328,310.70
  5. Step 5: Solve for x
    x = 502,328,310.70/35,679.80
  6. Step 6: Final answer
    x = 14,078.79

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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.