Home / 30,590.53-45,902.51-11,871.30

Finding the Fourth Proportional to 30,590.53, 45,902.51 and 11,871.30

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Solution

The fourth proportional to 30,590.53, 45,902.51 and 11,871.30 is: 17,813.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,590.53 : 45,902.51 = 11,871.30 : x
  2. Step 2: Convert to fraction form
    30,590.53/45,902.51 = 11,871.30/x
  3. Step 3: Cross multiply
    30,590.53x = 45,902.51 × 11,871.30
  4. Step 4: Simplify right side
    30,590.53x = 544,922,466.96
  5. Step 5: Solve for x
    x = 544,922,466.96/30,590.53
  6. Step 6: Final answer
    x = 17,813.44

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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.