Home / 50,828.09-70,140.86-28,166.50

Finding the Fourth Proportional to 50,828.09, 70,140.86 and 28,166.50

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Solution

The fourth proportional to 50,828.09, 70,140.86 and 28,166.50 is: 38,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,828.09 : 70,140.86 = 28,166.50 : x
  2. Step 2: Convert to fraction form
    50,828.09/70,140.86 = 28,166.50/x
  3. Step 3: Cross multiply
    50,828.09x = 70,140.86 × 28,166.50
  4. Step 4: Simplify right side
    50,828.09x = 1,975,622,041.65
  5. Step 5: Solve for x
    x = 1,975,622,041.65/50,828.09
  6. Step 6: Final answer
    x = 38,868.71

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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.