Home / 31,231.02-46,846.10-7,538.36

Finding the Fourth Proportional to 31,231.02, 46,846.10 and 7,538.36

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Solution

The fourth proportional to 31,231.02, 46,846.10 and 7,538.36 is: 11,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,231.02 : 46,846.10 = 7,538.36 : x
  2. Step 2: Convert to fraction form
    31,231.02/46,846.10 = 7,538.36/x
  3. Step 3: Cross multiply
    31,231.02x = 46,846.10 × 7,538.36
  4. Step 4: Simplify right side
    31,231.02x = 353,142,766.40
  5. Step 5: Solve for x
    x = 353,142,766.40/31,231.02
  6. Step 6: Final answer
    x = 11,307.44

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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.