Home / 30,015.70-41,420.31-16,586.66

Finding the Fourth Proportional to 30,015.70, 41,420.31 and 16,586.66

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Solution

The fourth proportional to 30,015.70, 41,420.31 and 16,586.66 is: 22,888.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.70 : 41,420.31 = 16,586.66 : x
  2. Step 2: Convert to fraction form
    30,015.70/41,420.31 = 16,586.66/x
  3. Step 3: Cross multiply
    30,015.70x = 41,420.31 × 16,586.66
  4. Step 4: Simplify right side
    30,015.70x = 687,024,702.62
  5. Step 5: Solve for x
    x = 687,024,702.62/30,015.70
  6. Step 6: Final answer
    x = 22,888.85

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1.5x scale

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.