Home / 49,272.09-67,987.67-28,051.77

Finding the Fourth Proportional to 49,272.09, 67,987.67 and 28,051.77

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Solution

The fourth proportional to 49,272.09, 67,987.67 and 28,051.77 is: 38,706.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,272.09 : 67,987.67 = 28,051.77 : x
  2. Step 2: Convert to fraction form
    49,272.09/67,987.67 = 28,051.77/x
  3. Step 3: Cross multiply
    49,272.09x = 67,987.67 × 28,051.77
  4. Step 4: Simplify right side
    49,272.09x = 1,907,174,341.42
  5. Step 5: Solve for x
    x = 1,907,174,341.42/49,272.09
  6. Step 6: Final answer
    x = 38,706.99

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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.