Home / 51,948.51-71,692.64-29,289.61

Finding the Fourth Proportional to 51,948.51, 71,692.64 and 29,289.61

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Solution

The fourth proportional to 51,948.51, 71,692.64 and 29,289.61 is: 40,421.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,948.51 : 71,692.64 = 29,289.61 : x
  2. Step 2: Convert to fraction form
    51,948.51/71,692.64 = 29,289.61/x
  3. Step 3: Cross multiply
    51,948.51x = 71,692.64 × 29,289.61
  4. Step 4: Simplify right side
    51,948.51x = 2,099,849,438.94
  5. Step 5: Solve for x
    x = 2,099,849,438.94/51,948.51
  6. Step 6: Final answer
    x = 40,421.74

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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.