Home / 49,485.63-74,228.45-40,693.89

Finding the Fourth Proportional to 49,485.63, 74,228.45 and 40,693.89

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Solution

The fourth proportional to 49,485.63, 74,228.45 and 40,693.89 is: 61,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,485.63 : 74,228.45 = 40,693.89 : x
  2. Step 2: Convert to fraction form
    49,485.63/74,228.45 = 40,693.89/x
  3. Step 3: Cross multiply
    49,485.63x = 74,228.45 × 40,693.89
  4. Step 4: Simplify right side
    49,485.63x = 3,020,644,175.70
  5. Step 5: Solve for x
    x = 3,020,644,175.70/49,485.63
  6. Step 6: Final answer
    x = 61,040.84

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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.