Home / 38,690.37-57,776.78-33,085.17

Finding the Fourth Proportional to 38,690.37, 57,776.78 and 33,085.17

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Solution

The fourth proportional to 38,690.37, 57,776.78 and 33,085.17 is: 49,406.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,690.37 : 57,776.78 = 33,085.17 : x
  2. Step 2: Convert to fraction form
    38,690.37/57,776.78 = 33,085.17/x
  3. Step 3: Cross multiply
    38,690.37x = 57,776.78 × 33,085.17
  4. Step 4: Simplify right side
    38,690.37x = 1,911,554,671.07
  5. Step 5: Solve for x
    x = 1,911,554,671.07/38,690.37
  6. Step 6: Final answer
    x = 49,406.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.