Home / 38,085.70-57,140.22-17,043.45

Finding the Fourth Proportional to 38,085.70, 57,140.22 and 17,043.45

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Solution

The fourth proportional to 38,085.70, 57,140.22 and 17,043.45 is: 25,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.70 : 57,140.22 = 17,043.45 : x
  2. Step 2: Convert to fraction form
    38,085.70/57,140.22 = 17,043.45/x
  3. Step 3: Cross multiply
    38,085.70x = 57,140.22 × 17,043.45
  4. Step 4: Simplify right side
    38,085.70x = 973,866,482.56
  5. Step 5: Solve for x
    x = 973,866,482.56/38,085.70
  6. Step 6: Final answer
    x = 25,570.40

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Double scale
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Similar ratio
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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.