Home / 38,081.03-52,551.88-20,853.32

Finding the Fourth Proportional to 38,081.03, 52,551.88 and 20,853.32

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Solution

The fourth proportional to 38,081.03, 52,551.88 and 20,853.32 is: 28,777.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081.03 : 52,551.88 = 20,853.32 : x
  2. Step 2: Convert to fraction form
    38,081.03/52,551.88 = 20,853.32/x
  3. Step 3: Cross multiply
    38,081.03x = 52,551.88 × 20,853.32
  4. Step 4: Simplify right side
    38,081.03x = 1,095,880,907.48
  5. Step 5: Solve for x
    x = 1,095,880,907.48/38,081.03
  6. Step 6: Final answer
    x = 28,777.61

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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.