Home / 64,430.12-96,606.34-28,885

Finding the Fourth Proportional to 64,430.12, 96,606.34 and 28,885

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Solution

The fourth proportional to 64,430.12, 96,606.34 and 28,885 is: 43,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,430.12 : 96,606.34 = 28,885 : x
  2. Step 2: Convert to fraction form
    64,430.12/96,606.34 = 28,885/x
  3. Step 3: Cross multiply
    64,430.12x = 96,606.34 × 28,885
  4. Step 4: Simplify right side
    64,430.12x = 2,790,473,986.48
  5. Step 5: Solve for x
    x = 2,790,473,986.48/64,430.12
  6. Step 6: Final answer
    x = 43,310.09

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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.