Home / 51,426.96-77,184.27-20,284.08

Finding the Fourth Proportional to 51,426.96, 77,184.27 and 20,284.08

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Solution

The fourth proportional to 51,426.96, 77,184.27 and 20,284.08 is: 30,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,426.96 : 77,184.27 = 20,284.08 : x
  2. Step 2: Convert to fraction form
    51,426.96/77,184.27 = 20,284.08/x
  3. Step 3: Cross multiply
    51,426.96x = 77,184.27 × 20,284.08
  4. Step 4: Simplify right side
    51,426.96x = 1,565,611,907.42
  5. Step 5: Solve for x
    x = 1,565,611,907.42/51,426.96
  6. Step 6: Final answer
    x = 30,443.41

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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.