Home / 30,238.72-45,429.44-17,790.72

Finding the Fourth Proportional to 30,238.72, 45,429.44 and 17,790.72

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Solution

The fourth proportional to 30,238.72, 45,429.44 and 17,790.72 is: 26,728.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,238.72 : 45,429.44 = 17,790.72 : x
  2. Step 2: Convert to fraction form
    30,238.72/45,429.44 = 17,790.72/x
  3. Step 3: Cross multiply
    30,238.72x = 45,429.44 × 17,790.72
  4. Step 4: Simplify right side
    30,238.72x = 808,222,446.80
  5. Step 5: Solve for x
    x = 808,222,446.80/30,238.72
  6. Step 6: Final answer
    x = 26,728.06

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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.