Home / 30,188.67-41,675.36-18,864.45

Finding the Fourth Proportional to 30,188.67, 41,675.36 and 18,864.45

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Solution

The fourth proportional to 30,188.67, 41,675.36 and 18,864.45 is: 26,042.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,188.67 : 41,675.36 = 18,864.45 : x
  2. Step 2: Convert to fraction form
    30,188.67/41,675.36 = 18,864.45/x
  3. Step 3: Cross multiply
    30,188.67x = 41,675.36 × 18,864.45
  4. Step 4: Simplify right side
    30,188.67x = 786,182,650.63
  5. Step 5: Solve for x
    x = 786,182,650.63/30,188.67
  6. Step 6: Final answer
    x = 26,042.31

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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.