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Finding the Fourth Proportional to 70,338.72, 105,516.75 and 22,941.14

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Solution

The fourth proportional to 70,338.72, 105,516.75 and 22,941.14 is: 34,414.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,338.72 : 105,516.75 = 22,941.14 : x
  2. Step 2: Convert to fraction form
    70,338.72/105,516.75 = 22,941.14/x
  3. Step 3: Cross multiply
    70,338.72x = 105,516.75 × 22,941.14
  4. Step 4: Simplify right side
    70,338.72x = 2,420,674,006.51
  5. Step 5: Solve for x
    x = 2,420,674,006.51/70,338.72
  6. Step 6: Final answer
    x = 34,414.53

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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.