Home / 43,119.30-59,485.08-31,163.70

Finding the Fourth Proportional to 43,119.30, 59,485.08 and 31,163.70

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Solution

The fourth proportional to 43,119.30, 59,485.08 and 31,163.70 is: 42,991.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,119.30 : 59,485.08 = 31,163.70 : x
  2. Step 2: Convert to fraction form
    43,119.30/59,485.08 = 31,163.70/x
  3. Step 3: Cross multiply
    43,119.30x = 59,485.08 × 31,163.70
  4. Step 4: Simplify right side
    43,119.30x = 1,853,775,187.60
  5. Step 5: Solve for x
    x = 1,853,775,187.60/43,119.30
  6. Step 6: Final answer
    x = 42,991.77

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1.5x scale

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.