Home / 50,920.98-70,270.85-28,260.24

Finding the Fourth Proportional to 50,920.98, 70,270.85 and 28,260.24

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Solution

The fourth proportional to 50,920.98, 70,270.85 and 28,260.24 is: 38,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,920.98 : 70,270.85 = 28,260.24 : x
  2. Step 2: Convert to fraction form
    50,920.98/70,270.85 = 28,260.24/x
  3. Step 3: Cross multiply
    50,920.98x = 70,270.85 × 28,260.24
  4. Step 4: Simplify right side
    50,920.98x = 1,985,870,734.65
  5. Step 5: Solve for x
    x = 1,985,870,734.65/50,920.98
  6. Step 6: Final answer
    x = 38,999.07

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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.