Home / 32,831.94-49,297.05-18,807.78

Finding the Fourth Proportional to 32,831.94, 49,297.05 and 18,807.78

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Solution

The fourth proportional to 32,831.94, 49,297.05 and 18,807.78 is: 28,239.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,831.94 : 49,297.05 = 18,807.78 : x
  2. Step 2: Convert to fraction form
    32,831.94/49,297.05 = 18,807.78/x
  3. Step 3: Cross multiply
    32,831.94x = 49,297.05 × 18,807.78
  4. Step 4: Simplify right side
    32,831.94x = 927,168,071.05
  5. Step 5: Solve for x
    x = 927,168,071.05/32,831.94
  6. Step 6: Final answer
    x = 28,239.82

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1.5x scale

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.