Home / 35,916.96-53,879.16-13,749

Finding the Fourth Proportional to 35,916.96, 53,879.16 and 13,749

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Solution

The fourth proportional to 35,916.96, 53,879.16 and 13,749 is: 20,624.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,916.96 : 53,879.16 = 13,749 : x
  2. Step 2: Convert to fraction form
    35,916.96/53,879.16 = 13,749/x
  3. Step 3: Cross multiply
    35,916.96x = 53,879.16 × 13,749
  4. Step 4: Simplify right side
    35,916.96x = 740,784,570.84
  5. Step 5: Solve for x
    x = 740,784,570.84/35,916.96
  6. Step 6: Final answer
    x = 20,624.92

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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.