Home / 31,534.55-43,515.70-17,387.51

Finding the Fourth Proportional to 31,534.55, 43,515.70 and 17,387.51

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Solution

The fourth proportional to 31,534.55, 43,515.70 and 17,387.51 is: 23,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.55 : 43,515.70 = 17,387.51 : x
  2. Step 2: Convert to fraction form
    31,534.55/43,515.70 = 17,387.51/x
  3. Step 3: Cross multiply
    31,534.55x = 43,515.70 × 17,387.51
  4. Step 4: Simplify right side
    31,534.55x = 756,629,581.97
  5. Step 5: Solve for x
    x = 756,629,581.97/31,534.55
  6. Step 6: Final answer
    x = 23,993.67

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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.