Home / 30,606.05-42,237.11-17,178.33

Finding the Fourth Proportional to 30,606.05, 42,237.11 and 17,178.33

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Solution

The fourth proportional to 30,606.05, 42,237.11 and 17,178.33 is: 23,706.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.05 : 42,237.11 = 17,178.33 : x
  2. Step 2: Convert to fraction form
    30,606.05/42,237.11 = 17,178.33/x
  3. Step 3: Cross multiply
    30,606.05x = 42,237.11 × 17,178.33
  4. Step 4: Simplify right side
    30,606.05x = 725,562,927.93
  5. Step 5: Solve for x
    x = 725,562,927.93/30,606.05
  6. Step 6: Final answer
    x = 23,706.52

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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.