Home / 48,393.54-72,586.72-20,312.46

Finding the Fourth Proportional to 48,393.54, 72,586.72 and 20,312.46

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Solution

The fourth proportional to 48,393.54, 72,586.72 and 20,312.46 is: 30,467.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,393.54 : 72,586.72 = 20,312.46 : x
  2. Step 2: Convert to fraction form
    48,393.54/72,586.72 = 20,312.46/x
  3. Step 3: Cross multiply
    48,393.54x = 72,586.72 × 20,312.46
  4. Step 4: Simplify right side
    48,393.54x = 1,474,414,741.28
  5. Step 5: Solve for x
    x = 1,474,414,741.28/48,393.54
  6. Step 6: Final answer
    x = 30,467.18

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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.