Home / 50,488.96-69,668.40-30,342.88

Finding the Fourth Proportional to 50,488.96, 69,668.40 and 30,342.88

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Solution

The fourth proportional to 50,488.96, 69,668.40 and 30,342.88 is: 41,869.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,488.96 : 69,668.40 = 30,342.88 : x
  2. Step 2: Convert to fraction form
    50,488.96/69,668.40 = 30,342.88/x
  3. Step 3: Cross multiply
    50,488.96x = 69,668.40 × 30,342.88
  4. Step 4: Simplify right side
    50,488.96x = 2,113,939,900.99
  5. Step 5: Solve for x
    x = 2,113,939,900.99/50,488.96
  6. Step 6: Final answer
    x = 41,869.35

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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.