Home / 69,423.03-104,051.10-31,931.46

Finding the Fourth Proportional to 69,423.03, 104,051.10 and 31,931.46

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Solution

The fourth proportional to 69,423.03, 104,051.10 and 31,931.46 is: 47,858.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,423.03 : 104,051.10 = 31,931.46 : x
  2. Step 2: Convert to fraction form
    69,423.03/104,051.10 = 31,931.46/x
  3. Step 3: Cross multiply
    69,423.03x = 104,051.10 × 31,931.46
  4. Step 4: Simplify right side
    69,423.03x = 3,322,503,537.61
  5. Step 5: Solve for x
    x = 3,322,503,537.61/69,423.03
  6. Step 6: Final answer
    x = 47,858.81

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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.