Home / 50,457.38-69,631.18-28,101.38

Finding the Fourth Proportional to 50,457.38, 69,631.18 and 28,101.38

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Solution

The fourth proportional to 50,457.38, 69,631.18 and 28,101.38 is: 38,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,457.38 : 69,631.18 = 28,101.38 : x
  2. Step 2: Convert to fraction form
    50,457.38/69,631.18 = 28,101.38/x
  3. Step 3: Cross multiply
    50,457.38x = 69,631.18 × 28,101.38
  4. Step 4: Simplify right side
    50,457.38x = 1,956,731,830.62
  5. Step 5: Solve for x
    x = 1,956,731,830.62/50,457.38
  6. Step 6: Final answer
    x = 38,779.90

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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.