Home / 43,290.74-59,731.72-28,181.78

Finding the Fourth Proportional to 43,290.74, 59,731.72 and 28,181.78

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Solution

The fourth proportional to 43,290.74, 59,731.72 and 28,181.78 is: 38,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.74 : 59,731.72 = 28,181.78 : x
  2. Step 2: Convert to fraction form
    43,290.74/59,731.72 = 28,181.78/x
  3. Step 3: Cross multiply
    43,290.74x = 59,731.72 × 28,181.78
  4. Step 4: Simplify right side
    43,290.74x = 1,683,346,192.06
  5. Step 5: Solve for x
    x = 1,683,346,192.06/43,290.74
  6. Step 6: Final answer
    x = 38,884.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.