Home / 35,779.15-49,371.56-20,676.67

Finding the Fourth Proportional to 35,779.15, 49,371.56 and 20,676.67

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Solution

The fourth proportional to 35,779.15, 49,371.56 and 20,676.67 is: 28,531.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.15 : 49,371.56 = 20,676.67 : x
  2. Step 2: Convert to fraction form
    35,779.15/49,371.56 = 20,676.67/x
  3. Step 3: Cross multiply
    35,779.15x = 49,371.56 × 20,676.67
  4. Step 4: Simplify right side
    35,779.15x = 1,020,839,304.23
  5. Step 5: Solve for x
    x = 1,020,839,304.23/35,779.15
  6. Step 6: Final answer
    x = 28,531.68

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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.