Home / 50,260.47-75,393.30-12,820.87

Finding the Fourth Proportional to 50,260.47, 75,393.30 and 12,820.87

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Solution

The fourth proportional to 50,260.47, 75,393.30 and 12,820.87 is: 19,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,260.47 : 75,393.30 = 12,820.87 : x
  2. Step 2: Convert to fraction form
    50,260.47/75,393.30 = 12,820.87/x
  3. Step 3: Cross multiply
    50,260.47x = 75,393.30 × 12,820.87
  4. Step 4: Simplify right side
    50,260.47x = 966,607,840.49
  5. Step 5: Solve for x
    x = 966,607,840.49/50,260.47
  6. Step 6: Final answer
    x = 19,231.97

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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.