Home / 48,970.45-67,578.26-28,556.32

Finding the Fourth Proportional to 48,970.45, 67,578.26 and 28,556.32

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Solution

The fourth proportional to 48,970.45, 67,578.26 and 28,556.32 is: 39,407.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,970.45 : 67,578.26 = 28,556.32 : x
  2. Step 2: Convert to fraction form
    48,970.45/67,578.26 = 28,556.32/x
  3. Step 3: Cross multiply
    48,970.45x = 67,578.26 × 28,556.32
  4. Step 4: Simplify right side
    48,970.45x = 1,929,786,274.82
  5. Step 5: Solve for x
    x = 1,929,786,274.82/48,970.45
  6. Step 6: Final answer
    x = 39,407.16

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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.