Home / 50,911.36-70,266.10-28,257.62

Finding the Fourth Proportional to 50,911.36, 70,266.10 and 28,257.62

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Solution

The fourth proportional to 50,911.36, 70,266.10 and 28,257.62 is: 39,000.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.36 : 70,266.10 = 28,257.62 : x
  2. Step 2: Convert to fraction form
    50,911.36/70,266.10 = 28,257.62/x
  3. Step 3: Cross multiply
    50,911.36x = 70,266.10 × 28,257.62
  4. Step 4: Simplify right side
    50,911.36x = 1,985,552,752.68
  5. Step 5: Solve for x
    x = 1,985,552,752.68/50,911.36
  6. Step 6: Final answer
    x = 39,000.19

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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.