Home / 38,501.59-57,754.43-12,208.40

Finding the Fourth Proportional to 38,501.59, 57,754.43 and 12,208.40

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Solution

The fourth proportional to 38,501.59, 57,754.43 and 12,208.40 is: 18,313.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.59 : 57,754.43 = 12,208.40 : x
  2. Step 2: Convert to fraction form
    38,501.59/57,754.43 = 12,208.40/x
  3. Step 3: Cross multiply
    38,501.59x = 57,754.43 × 12,208.40
  4. Step 4: Simplify right side
    38,501.59x = 705,089,122.17
  5. Step 5: Solve for x
    x = 705,089,122.17/38,501.59
  6. Step 6: Final answer
    x = 18,313.25

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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.