Home / 50,261.47-75,394.80-12,821.87

Finding the Fourth Proportional to 50,261.47, 75,394.80 and 12,821.87

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Solution

The fourth proportional to 50,261.47, 75,394.80 and 12,821.87 is: 19,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,261.47 : 75,394.80 = 12,821.87 : x
  2. Step 2: Convert to fraction form
    50,261.47/75,394.80 = 12,821.87/x
  3. Step 3: Cross multiply
    50,261.47x = 75,394.80 × 12,821.87
  4. Step 4: Simplify right side
    50,261.47x = 966,702,324.28
  5. Step 5: Solve for x
    x = 966,702,324.28/50,261.47
  6. Step 6: Final answer
    x = 19,233.47

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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.