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Finding the Fourth Proportional to 35,473.94, 48,953.10 and 19,558.12

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Solution

The fourth proportional to 35,473.94, 48,953.10 and 19,558.12 is: 26,989.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,473.94 : 48,953.10 = 19,558.12 : x
  2. Step 2: Convert to fraction form
    35,473.94/48,953.10 = 19,558.12/x
  3. Step 3: Cross multiply
    35,473.94x = 48,953.10 × 19,558.12
  4. Step 4: Simplify right side
    35,473.94x = 957,430,604.17
  5. Step 5: Solve for x
    x = 957,430,604.17/35,473.94
  6. Step 6: Final answer
    x = 26,989.69

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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.