Home / 49,130.50-67,811.03-31,222.01

Finding the Fourth Proportional to 49,130.50, 67,811.03 and 31,222.01

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Solution

The fourth proportional to 49,130.50, 67,811.03 and 31,222.01 is: 43,093.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.50 : 67,811.03 = 31,222.01 : x
  2. Step 2: Convert to fraction form
    49,130.50/67,811.03 = 31,222.01/x
  3. Step 3: Cross multiply
    49,130.50x = 67,811.03 × 31,222.01
  4. Step 4: Simplify right side
    49,130.50x = 2,117,196,656.77
  5. Step 5: Solve for x
    x = 2,117,196,656.77/49,130.50
  6. Step 6: Final answer
    x = 43,093.33

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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.