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Finding the Fourth Proportional to 70,358.39, 105,548.38 and 23,600.33

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Solution

The fourth proportional to 70,358.39, 105,548.38 and 23,600.33 is: 35,404.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,358.39 : 105,548.38 = 23,600.33 : x
  2. Step 2: Convert to fraction form
    70,358.39/105,548.38 = 23,600.33/x
  3. Step 3: Cross multiply
    70,358.39x = 105,548.38 × 23,600.33
  4. Step 4: Simplify right side
    70,358.39x = 2,490,976,012.22
  5. Step 5: Solve for x
    x = 2,490,976,012.22/70,358.39
  6. Step 6: Final answer
    x = 35,404.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.