Home / 48,586.53-72,848.60-20,498.91

Finding the Fourth Proportional to 48,586.53, 72,848.60 and 20,498.91

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Solution

The fourth proportional to 48,586.53, 72,848.60 and 20,498.91 is: 30,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,586.53 : 72,848.60 = 20,498.91 : x
  2. Step 2: Convert to fraction form
    48,586.53/72,848.60 = 20,498.91/x
  3. Step 3: Cross multiply
    48,586.53x = 72,848.60 × 20,498.91
  4. Step 4: Simplify right side
    48,586.53x = 1,493,316,596.22
  5. Step 5: Solve for x
    x = 1,493,316,596.22/48,586.53
  6. Step 6: Final answer
    x = 30,735.20

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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.