Home / 51,678.81-71,317.50-29,022.69

Finding the Fourth Proportional to 51,678.81, 71,317.50 and 29,022.69

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Solution

The fourth proportional to 51,678.81, 71,317.50 and 29,022.69 is: 40,051.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,678.81 : 71,317.50 = 29,022.69 : x
  2. Step 2: Convert to fraction form
    51,678.81/71,317.50 = 29,022.69/x
  3. Step 3: Cross multiply
    51,678.81x = 71,317.50 × 29,022.69
  4. Step 4: Simplify right side
    51,678.81x = 2,069,825,694.08
  5. Step 5: Solve for x
    x = 2,069,825,694.08/51,678.81
  6. Step 6: Final answer
    x = 40,051.73

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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.