Home / 30,379.18-41,922.28-16,580.98

Finding the Fourth Proportional to 30,379.18, 41,922.28 and 16,580.98

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Solution

The fourth proportional to 30,379.18, 41,922.28 and 16,580.98 is: 22,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,379.18 : 41,922.28 = 16,580.98 : x
  2. Step 2: Convert to fraction form
    30,379.18/41,922.28 = 16,580.98/x
  3. Step 3: Cross multiply
    30,379.18x = 41,922.28 × 16,580.98
  4. Step 4: Simplify right side
    30,379.18x = 695,112,486.23
  5. Step 5: Solve for x
    x = 695,112,486.23/30,379.18
  6. Step 6: Final answer
    x = 22,881.21

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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.