Home / 51,022.86-70,415.99-28,366.29

Finding the Fourth Proportional to 51,022.86, 70,415.99 and 28,366.29

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Solution

The fourth proportional to 51,022.86, 70,415.99 and 28,366.29 is: 39,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,022.86 : 70,415.99 = 28,366.29 : x
  2. Step 2: Convert to fraction form
    51,022.86/70,415.99 = 28,366.29/x
  3. Step 3: Cross multiply
    51,022.86x = 70,415.99 × 28,366.29
  4. Step 4: Simplify right side
    51,022.86x = 1,997,440,251.15
  5. Step 5: Solve for x
    x = 1,997,440,251.15/51,022.86
  6. Step 6: Final answer
    x = 39,147.95

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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.