Home / 31,245,341.96-43,109,244.78-20,214,624.26

Finding the Fourth Proportional to 31,245,341.96, 43,109,244.78 and 20,214,624.26

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Solution

The fourth proportional to 31,245,341.96, 43,109,244.78 and 20,214,624.26 is: 27,890,147.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245,341.96 : 43,109,244.78 = 20,214,624.26 : x
  2. Step 2: Convert to fraction form
    31,245,341.96/43,109,244.78 = 20,214,624.26/x
  3. Step 3: Cross multiply
    31,245,341.96x = 43,109,244.78 × 20,214,624.26
  4. Step 4: Simplify right side
    31,245,341.96x = 871,437,185,302,829.75
  5. Step 5: Solve for x
    x = 871,437,185,302,829.75/31,245,341.96
  6. Step 6: Final answer
    x = 27,890,147.16

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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.