Home / 30,896.73-42,637.58-16,749.58

Finding the Fourth Proportional to 30,896.73, 42,637.58 and 16,749.58

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Solution

The fourth proportional to 30,896.73, 42,637.58 and 16,749.58 is: 23,114.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,896.73 : 42,637.58 = 16,749.58 : x
  2. Step 2: Convert to fraction form
    30,896.73/42,637.58 = 16,749.58/x
  3. Step 3: Cross multiply
    30,896.73x = 42,637.58 × 16,749.58
  4. Step 4: Simplify right side
    30,896.73x = 714,161,557.22
  5. Step 5: Solve for x
    x = 714,161,557.22/30,896.73
  6. Step 6: Final answer
    x = 23,114.47

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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.