Home / 29,219.42-43,831.56-12,579.86

Finding the Fourth Proportional to 29,219.42, 43,831.56 and 12,579.86

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Solution

The fourth proportional to 29,219.42, 43,831.56 and 12,579.86 is: 18,870.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,219.42 : 43,831.56 = 12,579.86 : x
  2. Step 2: Convert to fraction form
    29,219.42/43,831.56 = 12,579.86/x
  3. Step 3: Cross multiply
    29,219.42x = 43,831.56 × 12,579.86
  4. Step 4: Simplify right side
    29,219.42x = 551,394,888.38
  5. Step 5: Solve for x
    x = 551,394,888.38/29,219.42
  6. Step 6: Final answer
    x = 18,870.84

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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.