Home / 44,288.04-66,420.71-13,116

Finding the Fourth Proportional to 44,288.04, 66,420.71 and 13,116

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Solution

The fourth proportional to 44,288.04, 66,420.71 and 13,116 is: 19,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,288.04 : 66,420.71 = 13,116 : x
  2. Step 2: Convert to fraction form
    44,288.04/66,420.71 = 13,116/x
  3. Step 3: Cross multiply
    44,288.04x = 66,420.71 × 13,116
  4. Step 4: Simplify right side
    44,288.04x = 871,174,032.36
  5. Step 5: Solve for x
    x = 871,174,032.36/44,288.04
  6. Step 6: Final answer
    x = 19,670.64

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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.