Home / 38,190.30-57,290.34-14,813.70

Finding the Fourth Proportional to 38,190.30, 57,290.34 and 14,813.70

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Solution

The fourth proportional to 38,190.30, 57,290.34 and 14,813.70 is: 22,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.30 : 57,290.34 = 14,813.70 : x
  2. Step 2: Convert to fraction form
    38,190.30/57,290.34 = 14,813.70/x
  3. Step 3: Cross multiply
    38,190.30x = 57,290.34 × 14,813.70
  4. Step 4: Simplify right side
    38,190.30x = 848,681,909.66
  5. Step 5: Solve for x
    x = 848,681,909.66/38,190.30
  6. Step 6: Final answer
    x = 22,222.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.