Home / 35,779.71-49,378.31-20,673.02

Finding the Fourth Proportional to 35,779.71, 49,378.31 and 20,673.02

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Solution

The fourth proportional to 35,779.71, 49,378.31 and 20,673.02 is: 28,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.71 : 49,378.31 = 20,673.02 : x
  2. Step 2: Convert to fraction form
    35,779.71/49,378.31 = 20,673.02/x
  3. Step 3: Cross multiply
    35,779.71x = 49,378.31 × 20,673.02
  4. Step 4: Simplify right side
    35,779.71x = 1,020,798,439.94
  5. Step 5: Solve for x
    x = 1,020,798,439.94/35,779.71
  6. Step 6: Final answer
    x = 28,530.09

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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.