Home / 30,606.63-42,235.87-17,178.99

Finding the Fourth Proportional to 30,606.63, 42,235.87 and 17,178.99

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Solution

The fourth proportional to 30,606.63, 42,235.87 and 17,178.99 is: 23,706.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,606.63 : 42,235.87 = 17,178.99 : x
  2. Step 2: Convert to fraction form
    30,606.63/42,235.87 = 17,178.99/x
  3. Step 3: Cross multiply
    30,606.63x = 42,235.87 × 17,178.99
  4. Step 4: Simplify right side
    30,606.63x = 725,569,588.37
  5. Step 5: Solve for x
    x = 725,569,588.37/30,606.63
  6. Step 6: Final answer
    x = 23,706.29

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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.