Home / 43,835.40-60,427.62-31,069.80

Finding the Fourth Proportional to 43,835.40, 60,427.62 and 31,069.80

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Solution

The fourth proportional to 43,835.40, 60,427.62 and 31,069.80 is: 42,830.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,835.40 : 60,427.62 = 31,069.80 : x
  2. Step 2: Convert to fraction form
    43,835.40/60,427.62 = 31,069.80/x
  3. Step 3: Cross multiply
    43,835.40x = 60,427.62 × 31,069.80
  4. Step 4: Simplify right side
    43,835.40x = 1,877,474,067.88
  5. Step 5: Solve for x
    x = 1,877,474,067.88/43,835.40
  6. Step 6: Final answer
    x = 42,830.09

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Why These Related Problems?

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