Home / 29,639.87-44,078.60-28,705.53

Finding the Fourth Proportional to 29,639.87, 44,078.60 and 28,705.53

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Solution

The fourth proportional to 29,639.87, 44,078.60 and 28,705.53 is: 42,689.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.87 : 44,078.60 = 28,705.53 : x
  2. Step 2: Convert to fraction form
    29,639.87/44,078.60 = 28,705.53/x
  3. Step 3: Cross multiply
    29,639.87x = 44,078.60 × 28,705.53
  4. Step 4: Simplify right side
    29,639.87x = 1,265,299,431.13
  5. Step 5: Solve for x
    x = 1,265,299,431.13/29,639.87
  6. Step 6: Final answer
    x = 42,689.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.