Home / 30,397.34-41,965.78-23,170.52

Finding the Fourth Proportional to 30,397.34, 41,965.78 and 23,170.52

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Solution

The fourth proportional to 30,397.34, 41,965.78 and 23,170.52 is: 31,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.34 : 41,965.78 = 23,170.52 : x
  2. Step 2: Convert to fraction form
    30,397.34/41,965.78 = 23,170.52/x
  3. Step 3: Cross multiply
    30,397.34x = 41,965.78 × 23,170.52
  4. Step 4: Simplify right side
    30,397.34x = 972,368,944.81
  5. Step 5: Solve for x
    x = 972,368,944.81/30,397.34
  6. Step 6: Final answer
    x = 31,988.62

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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.