Home / 51,943.83-71,665.63-31,779.69

Finding the Fourth Proportional to 51,943.83, 71,665.63 and 31,779.69

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Solution

The fourth proportional to 51,943.83, 71,665.63 and 31,779.69 is: 43,845.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,943.83 : 71,665.63 = 31,779.69 : x
  2. Step 2: Convert to fraction form
    51,943.83/71,665.63 = 31,779.69/x
  3. Step 3: Cross multiply
    51,943.83x = 71,665.63 × 31,779.69
  4. Step 4: Simplify right side
    51,943.83x = 2,277,511,505.05
  5. Step 5: Solve for x
    x = 2,277,511,505.05/51,943.83
  6. Step 6: Final answer
    x = 43,845.66

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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.