Home / 30,300.85-41,817.50-17,557.53

Finding the Fourth Proportional to 30,300.85, 41,817.50 and 17,557.53

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Solution

The fourth proportional to 30,300.85, 41,817.50 and 17,557.53 is: 24,230.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,300.85 : 41,817.50 = 17,557.53 : x
  2. Step 2: Convert to fraction form
    30,300.85/41,817.50 = 17,557.53/x
  3. Step 3: Cross multiply
    30,300.85x = 41,817.50 × 17,557.53
  4. Step 4: Simplify right side
    30,300.85x = 734,212,010.78
  5. Step 5: Solve for x
    x = 734,212,010.78/30,300.85
  6. Step 6: Final answer
    x = 24,230.74

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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.