Home / 35,831.96-53,710.88-12,131.66

Finding the Fourth Proportional to 35,831.96, 53,710.88 and 12,131.66

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Solution

The fourth proportional to 35,831.96, 53,710.88 and 12,131.66 is: 18,184.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,831.96 : 53,710.88 = 12,131.66 : x
  2. Step 2: Convert to fraction form
    35,831.96/53,710.88 = 12,131.66/x
  3. Step 3: Cross multiply
    35,831.96x = 53,710.88 × 12,131.66
  4. Step 4: Simplify right side
    35,831.96x = 651,602,134.46
  5. Step 5: Solve for x
    x = 651,602,134.46/35,831.96
  6. Step 6: Final answer
    x = 18,184.94

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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.