Home / 43,787.52-65,681.64-18,825.84

Finding the Fourth Proportional to 43,787.52, 65,681.64 and 18,825.84

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Solution

The fourth proportional to 43,787.52, 65,681.64 and 18,825.84 is: 28,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,787.52 : 65,681.64 = 18,825.84 : x
  2. Step 2: Convert to fraction form
    43,787.52/65,681.64 = 18,825.84/x
  3. Step 3: Cross multiply
    43,787.52x = 65,681.64 × 18,825.84
  4. Step 4: Simplify right side
    43,787.52x = 1,236,512,045.58
  5. Step 5: Solve for x
    x = 1,236,512,045.58/43,787.52
  6. Step 6: Final answer
    x = 28,238.91

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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.