Home / 38,195.04-57,285.12-19,214.60

Finding the Fourth Proportional to 38,195.04, 57,285.12 and 19,214.60

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Solution

The fourth proportional to 38,195.04, 57,285.12 and 19,214.60 is: 28,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195.04 : 57,285.12 = 19,214.60 : x
  2. Step 2: Convert to fraction form
    38,195.04/57,285.12 = 19,214.60/x
  3. Step 3: Cross multiply
    38,195.04x = 57,285.12 × 19,214.60
  4. Step 4: Simplify right side
    38,195.04x = 1,100,710,666.75
  5. Step 5: Solve for x
    x = 1,100,710,666.75/38,195.04
  6. Step 6: Final answer
    x = 28,818.16

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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.