Home / 39,459.07-54,458.76-25,120.36

Finding the Fourth Proportional to 39,459.07, 54,458.76 and 25,120.36

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Solution

The fourth proportional to 39,459.07, 54,458.76 and 25,120.36 is: 34,669.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,459.07 : 54,458.76 = 25,120.36 : x
  2. Step 2: Convert to fraction form
    39,459.07/54,458.76 = 25,120.36/x
  3. Step 3: Cross multiply
    39,459.07x = 54,458.76 × 25,120.36
  4. Step 4: Simplify right side
    39,459.07x = 1,368,023,656.35
  5. Step 5: Solve for x
    x = 1,368,023,656.35/39,459.07
  6. Step 6: Final answer
    x = 34,669.43

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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.