Home / 30,383.22-45,543.56-11,658.27

Finding the Fourth Proportional to 30,383.22, 45,543.56 and 11,658.27

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Solution

The fourth proportional to 30,383.22, 45,543.56 and 11,658.27 is: 17,475.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.22 : 45,543.56 = 11,658.27 : x
  2. Step 2: Convert to fraction form
    30,383.22/45,543.56 = 11,658.27/x
  3. Step 3: Cross multiply
    30,383.22x = 45,543.56 × 11,658.27
  4. Step 4: Simplify right side
    30,383.22x = 530,959,060.95
  5. Step 5: Solve for x
    x = 530,959,060.95/30,383.22
  6. Step 6: Final answer
    x = 17,475.40

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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.