Home / 35,779.26-49,381.67-20,672.49

Finding the Fourth Proportional to 35,779.26, 49,381.67 and 20,672.49

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Solution

The fourth proportional to 35,779.26, 49,381.67 and 20,672.49 is: 28,531.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.26 : 49,381.67 = 20,672.49 : x
  2. Step 2: Convert to fraction form
    35,779.26/49,381.67 = 20,672.49/x
  3. Step 3: Cross multiply
    35,779.26x = 49,381.67 × 20,672.49
  4. Step 4: Simplify right side
    35,779.26x = 1,020,842,079.26
  5. Step 5: Solve for x
    x = 1,020,842,079.26/35,779.26
  6. Step 6: Final answer
    x = 28,531.67

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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.