Home / 47,489.05-65,191.71-40,763.00

Finding the Fourth Proportional to 47,489.05, 65,191.71 and 40,763.00

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Solution

The fourth proportional to 47,489.05, 65,191.71 and 40,763.00 is: 55,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,489.05 : 65,191.71 = 40,763.00 : x
  2. Step 2: Convert to fraction form
    47,489.05/65,191.71 = 40,763.00/x
  3. Step 3: Cross multiply
    47,489.05x = 65,191.71 × 40,763.00
  4. Step 4: Simplify right side
    47,489.05x = 2,657,409,509.22
  5. Step 5: Solve for x
    x = 2,657,409,509.22/47,489.05
  6. Step 6: Final answer
    x = 55,958.37

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.