Home / 30,118.48-41,561.04-17,371.24

Finding the Fourth Proportional to 30,118.48, 41,561.04 and 17,371.24

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Solution

The fourth proportional to 30,118.48, 41,561.04 and 17,371.24 is: 23,970.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.48 : 41,561.04 = 17,371.24 : x
  2. Step 2: Convert to fraction form
    30,118.48/41,561.04 = 17,371.24/x
  3. Step 3: Cross multiply
    30,118.48x = 41,561.04 × 17,371.24
  4. Step 4: Simplify right side
    30,118.48x = 721,966,800.49
  5. Step 5: Solve for x
    x = 721,966,800.49/30,118.48
  6. Step 6: Final answer
    x = 23,970.89

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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.