Home / 30,151.80-45,235.28-17,682.24

Finding the Fourth Proportional to 30,151.80, 45,235.28 and 17,682.24

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Solution

The fourth proportional to 30,151.80, 45,235.28 and 17,682.24 is: 26,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,151.80 : 45,235.28 = 17,682.24 : x
  2. Step 2: Convert to fraction form
    30,151.80/45,235.28 = 17,682.24/x
  3. Step 3: Cross multiply
    30,151.80x = 45,235.28 × 17,682.24
  4. Step 4: Simplify right side
    30,151.80x = 799,861,077.43
  5. Step 5: Solve for x
    x = 799,861,077.43/30,151.80
  6. Step 6: Final answer
    x = 26,527.81

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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.