Home / 39,099.90-58,649.31-9,517.80

Finding the Fourth Proportional to 39,099.90, 58,649.31 and 9,517.80

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Solution

The fourth proportional to 39,099.90, 58,649.31 and 9,517.80 is: 14,276.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,099.90 : 58,649.31 = 9,517.80 : x
  2. Step 2: Convert to fraction form
    39,099.90/58,649.31 = 9,517.80/x
  3. Step 3: Cross multiply
    39,099.90x = 58,649.31 × 9,517.80
  4. Step 4: Simplify right side
    39,099.90x = 558,212,402.72
  5. Step 5: Solve for x
    x = 558,212,402.72/39,099.90
  6. Step 6: Final answer
    x = 14,276.57

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1.5x scale

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.