Home / 30,152.30-41,598.98-18,211.28

Finding the Fourth Proportional to 30,152.30, 41,598.98 and 18,211.28

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Solution

The fourth proportional to 30,152.30, 41,598.98 and 18,211.28 is: 25,124.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.30 : 41,598.98 = 18,211.28 : x
  2. Step 2: Convert to fraction form
    30,152.30/41,598.98 = 18,211.28/x
  3. Step 3: Cross multiply
    30,152.30x = 41,598.98 × 18,211.28
  4. Step 4: Simplify right side
    30,152.30x = 757,570,672.49
  5. Step 5: Solve for x
    x = 757,570,672.49/30,152.30
  6. Step 6: Final answer
    x = 25,124.81

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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.