Home / 51,807.20-71,494.04-30,587.83

Finding the Fourth Proportional to 51,807.20, 71,494.04 and 30,587.83

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Solution

The fourth proportional to 51,807.20, 71,494.04 and 30,587.83 is: 42,211.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,807.20 : 71,494.04 = 30,587.83 : x
  2. Step 2: Convert to fraction form
    51,807.20/71,494.04 = 30,587.83/x
  3. Step 3: Cross multiply
    51,807.20x = 71,494.04 × 30,587.83
  4. Step 4: Simplify right side
    51,807.20x = 2,186,847,541.53
  5. Step 5: Solve for x
    x = 2,186,847,541.53/51,807.20
  6. Step 6: Final answer
    x = 42,211.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.