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Finding the Fourth Proportional to 29,361.63, 44,041.91 and 11,831.01

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Solution

The fourth proportional to 29,361.63, 44,041.91 and 11,831.01 is: 17,746.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,361.63 : 44,041.91 = 11,831.01 : x
  2. Step 2: Convert to fraction form
    29,361.63/44,041.91 = 11,831.01/x
  3. Step 3: Cross multiply
    29,361.63x = 44,041.91 × 11,831.01
  4. Step 4: Simplify right side
    29,361.63x = 521,060,218.47
  5. Step 5: Solve for x
    x = 521,060,218.47/29,361.63
  6. Step 6: Final answer
    x = 17,746.30

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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.