Home / 36,018.84-54,034.60-12,320.82

Finding the Fourth Proportional to 36,018.84, 54,034.60 and 12,320.82

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Solution

The fourth proportional to 36,018.84, 54,034.60 and 12,320.82 is: 18,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,018.84 : 54,034.60 = 12,320.82 : x
  2. Step 2: Convert to fraction form
    36,018.84/54,034.60 = 12,320.82/x
  3. Step 3: Cross multiply
    36,018.84x = 54,034.60 × 12,320.82
  4. Step 4: Simplify right side
    36,018.84x = 665,750,580.37
  5. Step 5: Solve for x
    x = 665,750,580.37/36,018.84
  6. Step 6: Final answer
    x = 18,483.40

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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.