Home / 36,971.10-55,430.67-12,949.52

Finding the Fourth Proportional to 36,971.10, 55,430.67 and 12,949.52

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Solution

The fourth proportional to 36,971.10, 55,430.67 and 12,949.52 is: 19,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,971.10 : 55,430.67 = 12,949.52 : x
  2. Step 2: Convert to fraction form
    36,971.10/55,430.67 = 12,949.52/x
  3. Step 3: Cross multiply
    36,971.10x = 55,430.67 × 12,949.52
  4. Step 4: Simplify right side
    36,971.10x = 717,800,569.78
  5. Step 5: Solve for x
    x = 717,800,569.78/36,971.10
  6. Step 6: Final answer
    x = 19,415.18

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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.