Home / 29,313.63-40,466.76-19,639.75

Finding the Fourth Proportional to 29,313.63, 40,466.76 and 19,639.75

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Solution

The fourth proportional to 29,313.63, 40,466.76 and 19,639.75 is: 27,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.63 : 40,466.76 = 19,639.75 : x
  2. Step 2: Convert to fraction form
    29,313.63/40,466.76 = 19,639.75/x
  3. Step 3: Cross multiply
    29,313.63x = 40,466.76 × 19,639.75
  4. Step 4: Simplify right side
    29,313.63x = 794,757,049.71
  5. Step 5: Solve for x
    x = 794,757,049.71/29,313.63
  6. Step 6: Final answer
    x = 27,112.20

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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.