Home / 30,595.68-42,220.14-17,164.44

Finding the Fourth Proportional to 30,595.68, 42,220.14 and 17,164.44

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Solution

The fourth proportional to 30,595.68, 42,220.14 and 17,164.44 is: 23,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,595.68 : 42,220.14 = 17,164.44 : x
  2. Step 2: Convert to fraction form
    30,595.68/42,220.14 = 17,164.44/x
  3. Step 3: Cross multiply
    30,595.68x = 42,220.14 × 17,164.44
  4. Step 4: Simplify right side
    30,595.68x = 724,685,059.82
  5. Step 5: Solve for x
    x = 724,685,059.82/30,595.68
  6. Step 6: Final answer
    x = 23,685.86

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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.