Home / 39,712.50-59,570.19-12,010.50

Finding the Fourth Proportional to 39,712.50, 59,570.19 and 12,010.50

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Solution

The fourth proportional to 39,712.50, 59,570.19 and 12,010.50 is: 18,016.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,712.50 : 59,570.19 = 12,010.50 : x
  2. Step 2: Convert to fraction form
    39,712.50/59,570.19 = 12,010.50/x
  3. Step 3: Cross multiply
    39,712.50x = 59,570.19 × 12,010.50
  4. Step 4: Simplify right side
    39,712.50x = 715,467,767.00
  5. Step 5: Solve for x
    x = 715,467,767.00/39,712.50
  6. Step 6: Final answer
    x = 18,016.19

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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.