Home / 31,313.67-43,214.61-17,889.28

Finding the Fourth Proportional to 31,313.67, 43,214.61 and 17,889.28

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Solution

The fourth proportional to 31,313.67, 43,214.61 and 17,889.28 is: 24,688.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.67 : 43,214.61 = 17,889.28 : x
  2. Step 2: Convert to fraction form
    31,313.67/43,214.61 = 17,889.28/x
  3. Step 3: Cross multiply
    31,313.67x = 43,214.61 × 17,889.28
  4. Step 4: Simplify right side
    31,313.67x = 773,078,258.38
  5. Step 5: Solve for x
    x = 773,078,258.38/31,313.67
  6. Step 6: Final answer
    x = 24,688.20

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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.