Home / 72,343.26-108,513.75-19,752.58

Finding the Fourth Proportional to 72,343.26, 108,513.75 and 19,752.58

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Solution

The fourth proportional to 72,343.26, 108,513.75 and 19,752.58 is: 29,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,343.26 : 108,513.75 = 19,752.58 : x
  2. Step 2: Convert to fraction form
    72,343.26/108,513.75 = 19,752.58/x
  3. Step 3: Cross multiply
    72,343.26x = 108,513.75 × 19,752.58
  4. Step 4: Simplify right side
    72,343.26x = 2,143,426,527.98
  5. Step 5: Solve for x
    x = 2,143,426,527.98/72,343.26
  6. Step 6: Final answer
    x = 29,628.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.