Home / 50,259.29-75,390.35-20,656.62

Finding the Fourth Proportional to 50,259.29, 75,390.35 and 20,656.62

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Solution

The fourth proportional to 50,259.29, 75,390.35 and 20,656.62 is: 30,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,259.29 : 75,390.35 = 20,656.62 : x
  2. Step 2: Convert to fraction form
    50,259.29/75,390.35 = 20,656.62/x
  3. Step 3: Cross multiply
    50,259.29x = 75,390.35 × 20,656.62
  4. Step 4: Simplify right side
    50,259.29x = 1,557,309,708.33
  5. Step 5: Solve for x
    x = 1,557,309,708.33/50,259.29
  6. Step 6: Final answer
    x = 30,985.51

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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.