Home / 70,004.42-104,987.79-25,631.40

Finding the Fourth Proportional to 70,004.42, 104,987.79 and 25,631.40

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Solution

The fourth proportional to 70,004.42, 104,987.79 and 25,631.40 is: 38,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,004.42 : 104,987.79 = 25,631.40 : x
  2. Step 2: Convert to fraction form
    70,004.42/104,987.79 = 25,631.40/x
  3. Step 3: Cross multiply
    70,004.42x = 104,987.79 × 25,631.40
  4. Step 4: Simplify right side
    70,004.42x = 2,690,983,912.45
  5. Step 5: Solve for x
    x = 2,690,983,912.45/70,004.42
  6. Step 6: Final answer
    x = 38,440.20

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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.