Home / 35,779.01-49,371.46-19,861.74

Finding the Fourth Proportional to 35,779.01, 49,371.46 and 19,861.74

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Solution

The fourth proportional to 35,779.01, 49,371.46 and 19,861.74 is: 27,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,779.01 : 49,371.46 = 19,861.74 : x
  2. Step 2: Convert to fraction form
    35,779.01/49,371.46 = 19,861.74/x
  3. Step 3: Cross multiply
    35,779.01x = 49,371.46 × 19,861.74
  4. Step 4: Simplify right side
    35,779.01x = 980,603,052.29
  5. Step 5: Solve for x
    x = 980,603,052.29/35,779.01
  6. Step 6: Final answer
    x = 27,407.22

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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.