Home / 44,004.48-66,012.80-12,835.20

Finding the Fourth Proportional to 44,004.48, 66,012.80 and 12,835.20

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Solution

The fourth proportional to 44,004.48, 66,012.80 and 12,835.20 is: 19,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,004.48 : 66,012.80 = 12,835.20 : x
  2. Step 2: Convert to fraction form
    44,004.48/66,012.80 = 12,835.20/x
  3. Step 3: Cross multiply
    44,004.48x = 66,012.80 × 12,835.20
  4. Step 4: Simplify right side
    44,004.48x = 847,287,490.56
  5. Step 5: Solve for x
    x = 847,287,490.56/44,004.48
  6. Step 6: Final answer
    x = 19,254.57

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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.