Home / 43,445.25-65,043.90-28,608.93

Finding the Fourth Proportional to 43,445.25, 65,043.90 and 28,608.93

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Solution

The fourth proportional to 43,445.25, 65,043.90 and 28,608.93 is: 42,831.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,445.25 : 65,043.90 = 28,608.93 : x
  2. Step 2: Convert to fraction form
    43,445.25/65,043.90 = 28,608.93/x
  3. Step 3: Cross multiply
    43,445.25x = 65,043.90 × 28,608.93
  4. Step 4: Simplify right side
    43,445.25x = 1,860,836,382.03
  5. Step 5: Solve for x
    x = 1,860,836,382.03/43,445.25
  6. Step 6: Final answer
    x = 42,831.76

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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.