Home / 31,831.53-43,926.03-17,685.30

Finding the Fourth Proportional to 31,831.53, 43,926.03 and 17,685.30

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Solution

The fourth proportional to 31,831.53, 43,926.03 and 17,685.30 is: 24,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,831.53 : 43,926.03 = 17,685.30 : x
  2. Step 2: Convert to fraction form
    31,831.53/43,926.03 = 17,685.30/x
  3. Step 3: Cross multiply
    31,831.53x = 43,926.03 × 17,685.30
  4. Step 4: Simplify right side
    31,831.53x = 776,845,018.36
  5. Step 5: Solve for x
    x = 776,845,018.36/31,831.53
  6. Step 6: Final answer
    x = 24,404.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.