Home / 53,513.46-80,272.01-25,419.02

Finding the Fourth Proportional to 53,513.46, 80,272.01 and 25,419.02

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Solution

The fourth proportional to 53,513.46, 80,272.01 and 25,419.02 is: 38,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,513.46 : 80,272.01 = 25,419.02 : x
  2. Step 2: Convert to fraction form
    53,513.46/80,272.01 = 25,419.02/x
  3. Step 3: Cross multiply
    53,513.46x = 80,272.01 × 25,419.02
  4. Step 4: Simplify right side
    53,513.46x = 2,040,435,489.82
  5. Step 5: Solve for x
    x = 2,040,435,489.82/53,513.46
  6. Step 6: Final answer
    x = 38,129.39

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1.5x scale

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.