Home / 39,432.26-59,151.22-12,412.28

Finding the Fourth Proportional to 39,432.26, 59,151.22 and 12,412.28

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Solution

The fourth proportional to 39,432.26, 59,151.22 and 12,412.28 is: 18,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,432.26 : 59,151.22 = 12,412.28 : x
  2. Step 2: Convert to fraction form
    39,432.26/59,151.22 = 12,412.28/x
  3. Step 3: Cross multiply
    39,432.26x = 59,151.22 × 12,412.28
  4. Step 4: Simplify right side
    39,432.26x = 734,201,504.98
  5. Step 5: Solve for x
    x = 734,201,504.98/39,432.26
  6. Step 6: Final answer
    x = 18,619.31

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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.