Home / 30,592.74-42,218.10-17,164.56

Finding the Fourth Proportional to 30,592.74, 42,218.10 and 17,164.56

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Solution

The fourth proportional to 30,592.74, 42,218.10 and 17,164.56 is: 23,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,592.74 : 42,218.10 = 17,164.56 : x
  2. Step 2: Convert to fraction form
    30,592.74/42,218.10 = 17,164.56/x
  3. Step 3: Cross multiply
    30,592.74x = 42,218.10 × 17,164.56
  4. Step 4: Simplify right side
    30,592.74x = 724,655,110.54
  5. Step 5: Solve for x
    x = 724,655,110.54/30,592.74
  6. Step 6: Final answer
    x = 23,687.16

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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.