Home / 48,072.57-72,031.10-39,311.61

Finding the Fourth Proportional to 48,072.57, 72,031.10 and 39,311.61

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Solution

The fourth proportional to 48,072.57, 72,031.10 and 39,311.61 is: 58,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,072.57 : 72,031.10 = 39,311.61 : x
  2. Step 2: Convert to fraction form
    48,072.57/72,031.10 = 39,311.61/x
  3. Step 3: Cross multiply
    48,072.57x = 72,031.10 × 39,311.61
  4. Step 4: Simplify right side
    48,072.57x = 2,831,658,314.51
  5. Step 5: Solve for x
    x = 2,831,658,314.51/48,072.57
  6. Step 6: Final answer
    x = 58,903.83

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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.