Home / 51,971.09-71,715.06-29,313.63

Finding the Fourth Proportional to 51,971.09, 71,715.06 and 29,313.63

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Solution

The fourth proportional to 51,971.09, 71,715.06 and 29,313.63 is: 40,449.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,971.09 : 71,715.06 = 29,313.63 : x
  2. Step 2: Convert to fraction form
    51,971.09/71,715.06 = 29,313.63/x
  3. Step 3: Cross multiply
    51,971.09x = 71,715.06 × 29,313.63
  4. Step 4: Simplify right side
    51,971.09x = 2,102,228,734.27
  5. Step 5: Solve for x
    x = 2,102,228,734.27/51,971.09
  6. Step 6: Final answer
    x = 40,449.97

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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.