Home / 50,359.16-75,557.38-20,779.58

Finding the Fourth Proportional to 50,359.16, 75,557.38 and 20,779.58

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Solution

The fourth proportional to 50,359.16, 75,557.38 and 20,779.58 is: 31,177.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,359.16 : 75,557.38 = 20,779.58 : x
  2. Step 2: Convert to fraction form
    50,359.16/75,557.38 = 20,779.58/x
  3. Step 3: Cross multiply
    50,359.16x = 75,557.38 × 20,779.58
  4. Step 4: Simplify right side
    50,359.16x = 1,570,050,622.30
  5. Step 5: Solve for x
    x = 1,570,050,622.30/50,359.16
  6. Step 6: Final answer
    x = 31,177.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.