Home / 29,495.77-40,718.16-18,891.65

Finding the Fourth Proportional to 29,495.77, 40,718.16 and 18,891.65

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Solution

The fourth proportional to 29,495.77, 40,718.16 and 18,891.65 is: 26,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,495.77 : 40,718.16 = 18,891.65 : x
  2. Step 2: Convert to fraction form
    29,495.77/40,718.16 = 18,891.65/x
  3. Step 3: Cross multiply
    29,495.77x = 40,718.16 × 18,891.65
  4. Step 4: Simplify right side
    29,495.77x = 769,233,329.16
  5. Step 5: Solve for x
    x = 769,233,329.16/29,495.77
  6. Step 6: Final answer
    x = 26,079.45

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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.