Home / 31,325.54-43,230.24-17,178.35

Finding the Fourth Proportional to 31,325.54, 43,230.24 and 17,178.35

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Solution

The fourth proportional to 31,325.54, 43,230.24 and 17,178.35 is: 23,706.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.54 : 43,230.24 = 17,178.35 : x
  2. Step 2: Convert to fraction form
    31,325.54/43,230.24 = 17,178.35/x
  3. Step 3: Cross multiply
    31,325.54x = 43,230.24 × 17,178.35
  4. Step 4: Simplify right side
    31,325.54x = 742,623,977.15
  5. Step 5: Solve for x
    x = 742,623,977.15/31,325.54
  6. Step 6: Final answer
    x = 23,706.67

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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.