Home / 36,470.04-54,705.08-20,876.84

Finding the Fourth Proportional to 36,470.04, 54,705.08 and 20,876.84

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Solution

The fourth proportional to 36,470.04, 54,705.08 and 20,876.84 is: 31,315.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,470.04 : 54,705.08 = 20,876.84 : x
  2. Step 2: Convert to fraction form
    36,470.04/54,705.08 = 20,876.84/x
  3. Step 3: Cross multiply
    36,470.04x = 54,705.08 × 20,876.84
  4. Step 4: Simplify right side
    36,470.04x = 1,142,069,202.35
  5. Step 5: Solve for x
    x = 1,142,069,202.35/36,470.04
  6. Step 6: Final answer
    x = 31,315.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.