Home / 39,825.29-54,940.50-25,682.69

Finding the Fourth Proportional to 39,825.29, 54,940.50 and 25,682.69

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Solution

The fourth proportional to 39,825.29, 54,940.50 and 25,682.69 is: 35,430.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,825.29 : 54,940.50 = 25,682.69 : x
  2. Step 2: Convert to fraction form
    39,825.29/54,940.50 = 25,682.69/x
  3. Step 3: Cross multiply
    39,825.29x = 54,940.50 × 25,682.69
  4. Step 4: Simplify right side
    39,825.29x = 1,411,019,829.95
  5. Step 5: Solve for x
    x = 1,411,019,829.95/39,825.29
  6. Step 6: Final answer
    x = 35,430.25

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1.5x scale

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.