Home / 36,288.36-54,423.96-18,748.62

Finding the Fourth Proportional to 36,288.36, 54,423.96 and 18,748.62

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Solution

The fourth proportional to 36,288.36, 54,423.96 and 18,748.62 is: 28,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,288.36 : 54,423.96 = 18,748.62 : x
  2. Step 2: Convert to fraction form
    36,288.36/54,423.96 = 18,748.62/x
  3. Step 3: Cross multiply
    36,288.36x = 54,423.96 × 18,748.62
  4. Step 4: Simplify right side
    36,288.36x = 1,020,374,144.94
  5. Step 5: Solve for x
    x = 1,020,374,144.94/36,288.36
  6. Step 6: Final answer
    x = 28,118.50

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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.