Home / 30,126.42-41,551.02-18,177.30

Finding the Fourth Proportional to 30,126.42, 41,551.02 and 18,177.30

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Solution

The fourth proportional to 30,126.42, 41,551.02 and 18,177.30 is: 25,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,126.42 : 41,551.02 = 18,177.30 : x
  2. Step 2: Convert to fraction form
    30,126.42/41,551.02 = 18,177.30/x
  3. Step 3: Cross multiply
    30,126.42x = 41,551.02 × 18,177.30
  4. Step 4: Simplify right side
    30,126.42x = 755,285,355.85
  5. Step 5: Solve for x
    x = 755,285,355.85/30,126.42
  6. Step 6: Final answer
    x = 25,070.53

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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.