Home / 30,140.02-41,601.86-18,204.18

Finding the Fourth Proportional to 30,140.02, 41,601.86 and 18,204.18

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Solution

The fourth proportional to 30,140.02, 41,601.86 and 18,204.18 is: 25,126.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,140.02 : 41,601.86 = 18,204.18 : x
  2. Step 2: Convert to fraction form
    30,140.02/41,601.86 = 18,204.18/x
  3. Step 3: Cross multiply
    30,140.02x = 41,601.86 × 18,204.18
  4. Step 4: Simplify right side
    30,140.02x = 757,327,747.77
  5. Step 5: Solve for x
    x = 757,327,747.77/30,140.02
  6. Step 6: Final answer
    x = 25,126.98

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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.