Home / 30,205.94-45,325.20-17,750.30

Finding the Fourth Proportional to 30,205.94, 45,325.20 and 17,750.30

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Solution

The fourth proportional to 30,205.94, 45,325.20 and 17,750.30 is: 26,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,205.94 : 45,325.20 = 17,750.30 : x
  2. Step 2: Convert to fraction form
    30,205.94/45,325.20 = 17,750.30/x
  3. Step 3: Cross multiply
    30,205.94x = 45,325.20 × 17,750.30
  4. Step 4: Simplify right side
    30,205.94x = 804,535,670.93
  5. Step 5: Solve for x
    x = 804,535,670.93/30,205.94
  6. Step 6: Final answer
    x = 26,635.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.