Home / 38,115.04-57,224.93-19,407.65

Finding the Fourth Proportional to 38,115.04, 57,224.93 and 19,407.65

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Solution

The fourth proportional to 38,115.04, 57,224.93 and 19,407.65 is: 29,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,115.04 : 57,224.93 = 19,407.65 : x
  2. Step 2: Convert to fraction form
    38,115.04/57,224.93 = 19,407.65/x
  3. Step 3: Cross multiply
    38,115.04x = 57,224.93 × 19,407.65
  4. Step 4: Simplify right side
    38,115.04x = 1,110,601,389.70
  5. Step 5: Solve for x
    x = 1,110,601,389.70/38,115.04
  6. Step 6: Final answer
    x = 29,138.14

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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.