Home / 48,349.46-72,474.29-20,285.81

Finding the Fourth Proportional to 48,349.46, 72,474.29 and 20,285.81

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Solution

The fourth proportional to 48,349.46, 72,474.29 and 20,285.81 is: 30,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,349.46 : 72,474.29 = 20,285.81 : x
  2. Step 2: Convert to fraction form
    48,349.46/72,474.29 = 20,285.81/x
  3. Step 3: Cross multiply
    48,349.46x = 72,474.29 × 20,285.81
  4. Step 4: Simplify right side
    48,349.46x = 1,470,199,676.82
  5. Step 5: Solve for x
    x = 1,470,199,676.82/48,349.46
  6. Step 6: Final answer
    x = 30,407.78

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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.