Home / 56,658.15-84,984.53-19,214.55

Finding the Fourth Proportional to 56,658.15, 84,984.53 and 19,214.55

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Solution

The fourth proportional to 56,658.15, 84,984.53 and 19,214.55 is: 28,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,658.15 : 84,984.53 = 19,214.55 : x
  2. Step 2: Convert to fraction form
    56,658.15/84,984.53 = 19,214.55/x
  3. Step 3: Cross multiply
    56,658.15x = 84,984.53 × 19,214.55
  4. Step 4: Simplify right side
    56,658.15x = 1,632,939,404.84
  5. Step 5: Solve for x
    x = 1,632,939,404.84/56,658.15
  6. Step 6: Final answer
    x = 28,820.91

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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.