Home / 36,416.81-54,630.59-18,657.51

Finding the Fourth Proportional to 36,416.81, 54,630.59 and 18,657.51

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Solution

The fourth proportional to 36,416.81, 54,630.59 and 18,657.51 is: 27,989.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,416.81 : 54,630.59 = 18,657.51 : x
  2. Step 2: Convert to fraction form
    36,416.81/54,630.59 = 18,657.51/x
  3. Step 3: Cross multiply
    36,416.81x = 54,630.59 × 18,657.51
  4. Step 4: Simplify right side
    36,416.81x = 1,019,270,685.94
  5. Step 5: Solve for x
    x = 1,019,270,685.94/36,416.81
  6. Step 6: Final answer
    x = 27,989.02

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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.