Home / 50,810.18-76,217.40-19,217.18

Finding the Fourth Proportional to 50,810.18, 76,217.40 and 19,217.18

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Solution

The fourth proportional to 50,810.18, 76,217.40 and 19,217.18 is: 28,826.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,810.18 : 76,217.40 = 19,217.18 : x
  2. Step 2: Convert to fraction form
    50,810.18/76,217.40 = 19,217.18/x
  3. Step 3: Cross multiply
    50,810.18x = 76,217.40 × 19,217.18
  4. Step 4: Simplify right side
    50,810.18x = 1,464,683,494.93
  5. Step 5: Solve for x
    x = 1,464,683,494.93/50,810.18
  6. Step 6: Final answer
    x = 28,826.58

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1.5x scale

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.