Home / 35,779.56-49,377.45-20,674.22

Finding the Fourth Proportional to 35,779.56, 49,377.45 and 20,674.22

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Solution

The fourth proportional to 35,779.56, 49,377.45 and 20,674.22 is: 28,531.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.56 : 49,377.45 = 20,674.22 : x
  2. Step 2: Convert to fraction form
    35,779.56/49,377.45 = 20,674.22/x
  3. Step 3: Cross multiply
    35,779.56x = 49,377.45 × 20,674.22
  4. Step 4: Simplify right side
    35,779.56x = 1,020,840,017.45
  5. Step 5: Solve for x
    x = 1,020,840,017.45/35,779.56
  6. Step 6: Final answer
    x = 28,531.37

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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.