Home / 43,870.82-65,818.98-15,790.37

Finding the Fourth Proportional to 43,870.82, 65,818.98 and 15,790.37

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Solution

The fourth proportional to 43,870.82, 65,818.98 and 15,790.37 is: 23,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,870.82 : 65,818.98 = 15,790.37 : x
  2. Step 2: Convert to fraction form
    43,870.82/65,818.98 = 15,790.37/x
  3. Step 3: Cross multiply
    43,870.82x = 65,818.98 × 15,790.37
  4. Step 4: Simplify right side
    43,870.82x = 1,039,306,047.22
  5. Step 5: Solve for x
    x = 1,039,306,047.22/43,870.82
  6. Step 6: Final answer
    x = 23,690.14

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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.