Home / 51,718.12-71,371.08-29,362.12

Finding the Fourth Proportional to 51,718.12, 71,371.08 and 29,362.12

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Solution

The fourth proportional to 51,718.12, 71,371.08 and 29,362.12 is: 40,519.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.12 : 71,371.08 = 29,362.12 : x
  2. Step 2: Convert to fraction form
    51,718.12/71,371.08 = 29,362.12/x
  3. Step 3: Cross multiply
    51,718.12x = 71,371.08 × 29,362.12
  4. Step 4: Simplify right side
    51,718.12x = 2,095,606,215.49
  5. Step 5: Solve for x
    x = 2,095,606,215.49/51,718.12
  6. Step 6: Final answer
    x = 40,519.77

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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.