Home / 38,070.19-57,085.57-20,296.07

Finding the Fourth Proportional to 38,070.19, 57,085.57 and 20,296.07

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Solution

The fourth proportional to 38,070.19, 57,085.57 and 20,296.07 is: 30,433.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,070.19 : 57,085.57 = 20,296.07 : x
  2. Step 2: Convert to fraction form
    38,070.19/57,085.57 = 20,296.07/x
  3. Step 3: Cross multiply
    38,070.19x = 57,085.57 × 20,296.07
  4. Step 4: Simplify right side
    38,070.19x = 1,158,612,724.71
  5. Step 5: Solve for x
    x = 1,158,612,724.71/38,070.19
  6. Step 6: Final answer
    x = 30,433.59

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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.