Home / 31,325.33-43,231.01-17,178.17

Finding the Fourth Proportional to 31,325.33, 43,231.01 and 17,178.17

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Solution

The fourth proportional to 31,325.33, 43,231.01 and 17,178.17 is: 23,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.33 : 43,231.01 = 17,178.17 : x
  2. Step 2: Convert to fraction form
    31,325.33/43,231.01 = 17,178.17/x
  3. Step 3: Cross multiply
    31,325.33x = 43,231.01 × 17,178.17
  4. Step 4: Simplify right side
    31,325.33x = 742,629,337.01
  5. Step 5: Solve for x
    x = 742,629,337.01/31,325.33
  6. Step 6: Final answer
    x = 23,707.00

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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.