Home / 31,313.84-43,213.92-17,700.80

Finding the Fourth Proportional to 31,313.84, 43,213.92 and 17,700.80

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Solution

The fourth proportional to 31,313.84, 43,213.92 and 17,700.80 is: 24,427.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.84 : 43,213.92 = 17,700.80 : x
  2. Step 2: Convert to fraction form
    31,313.84/43,213.92 = 17,700.80/x
  3. Step 3: Cross multiply
    31,313.84x = 43,213.92 × 17,700.80
  4. Step 4: Simplify right side
    31,313.84x = 764,920,955.14
  5. Step 5: Solve for x
    x = 764,920,955.14/31,313.84
  6. Step 6: Final answer
    x = 24,427.57

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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.