Home / 38,085.08-57,139.36-17,042.76

Finding the Fourth Proportional to 38,085.08, 57,139.36 and 17,042.76

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Solution

The fourth proportional to 38,085.08, 57,139.36 and 17,042.76 is: 25,569.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,085.08 : 57,139.36 = 17,042.76 : x
  2. Step 2: Convert to fraction form
    38,085.08/57,139.36 = 17,042.76/x
  3. Step 3: Cross multiply
    38,085.08x = 57,139.36 × 17,042.76
  4. Step 4: Simplify right side
    38,085.08x = 973,812,399.03
  5. Step 5: Solve for x
    x = 973,812,399.03/38,085.08
  6. Step 6: Final answer
    x = 25,569.39

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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.