Home / 31,470.93-43,430.18-17,324.28

Finding the Fourth Proportional to 31,470.93, 43,430.18 and 17,324.28

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Solution

The fourth proportional to 31,470.93, 43,430.18 and 17,324.28 is: 23,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,470.93 : 43,430.18 = 17,324.28 : x
  2. Step 2: Convert to fraction form
    31,470.93/43,430.18 = 17,324.28/x
  3. Step 3: Cross multiply
    31,470.93x = 43,430.18 × 17,324.28
  4. Step 4: Simplify right side
    31,470.93x = 752,396,512.15
  5. Step 5: Solve for x
    x = 752,396,512.15/31,470.93
  6. Step 6: Final answer
    x = 23,907.67

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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.