Home / 49,866.76-68,815.42-28,646.20

Finding the Fourth Proportional to 49,866.76, 68,815.42 and 28,646.20

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Solution

The fourth proportional to 49,866.76, 68,815.42 and 28,646.20 is: 39,531.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,866.76 : 68,815.42 = 28,646.20 : x
  2. Step 2: Convert to fraction form
    49,866.76/68,815.42 = 28,646.20/x
  3. Step 3: Cross multiply
    49,866.76x = 68,815.42 × 28,646.20
  4. Step 4: Simplify right side
    49,866.76x = 1,971,300,284.40
  5. Step 5: Solve for x
    x = 1,971,300,284.40/49,866.76
  6. Step 6: Final answer
    x = 39,531.35

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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.