Home / 36,085.68-54,123.38-12,392.84

Finding the Fourth Proportional to 36,085.68, 54,123.38 and 12,392.84

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Solution

The fourth proportional to 36,085.68, 54,123.38 and 12,392.84 is: 18,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,085.68 : 54,123.38 = 12,392.84 : x
  2. Step 2: Convert to fraction form
    36,085.68/54,123.38 = 12,392.84/x
  3. Step 3: Cross multiply
    36,085.68x = 54,123.38 × 12,392.84
  4. Step 4: Simplify right side
    36,085.68x = 670,742,110.43
  5. Step 5: Solve for x
    x = 670,742,110.43/36,085.68
  6. Step 6: Final answer
    x = 18,587.49

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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.