Home / 39,853.86-59,698.77-28,782.78

Finding the Fourth Proportional to 39,853.86, 59,698.77 and 28,782.78

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Solution

The fourth proportional to 39,853.86, 59,698.77 and 28,782.78 is: 43,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,853.86 : 59,698.77 = 28,782.78 : x
  2. Step 2: Convert to fraction form
    39,853.86/59,698.77 = 28,782.78/x
  3. Step 3: Cross multiply
    39,853.86x = 59,698.77 × 28,782.78
  4. Step 4: Simplify right side
    39,853.86x = 1,718,296,563.18
  5. Step 5: Solve for x
    x = 1,718,296,563.18/39,853.86
  6. Step 6: Final answer
    x = 43,114.93

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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.