Home / 35,661.55-53,454.39-13,465.48

Finding the Fourth Proportional to 35,661.55, 53,454.39 and 13,465.48

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Solution

The fourth proportional to 35,661.55, 53,454.39 and 13,465.48 is: 20,183.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.55 : 53,454.39 = 13,465.48 : x
  2. Step 2: Convert to fraction form
    35,661.55/53,454.39 = 13,465.48/x
  3. Step 3: Cross multiply
    35,661.55x = 53,454.39 × 13,465.48
  4. Step 4: Simplify right side
    35,661.55x = 719,789,019.46
  5. Step 5: Solve for x
    x = 719,789,019.46/35,661.55
  6. Step 6: Final answer
    x = 20,183.90

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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.