Home / 38,017.12-57,020.32-13,056.80

Finding the Fourth Proportional to 38,017.12, 57,020.32 and 13,056.80

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Solution

The fourth proportional to 38,017.12, 57,020.32 and 13,056.80 is: 19,583.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,017.12 : 57,020.32 = 13,056.80 : x
  2. Step 2: Convert to fraction form
    38,017.12/57,020.32 = 13,056.80/x
  3. Step 3: Cross multiply
    38,017.12x = 57,020.32 × 13,056.80
  4. Step 4: Simplify right side
    38,017.12x = 744,502,914.18
  5. Step 5: Solve for x
    x = 744,502,914.18/38,017.12
  6. Step 6: Final answer
    x = 19,583.36

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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.