Home / 36,354.84-54,539.56-12,980.68

Finding the Fourth Proportional to 36,354.84, 54,539.56 and 12,980.68

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Solution

The fourth proportional to 36,354.84, 54,539.56 and 12,980.68 is: 19,473.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,354.84 : 54,539.56 = 12,980.68 : x
  2. Step 2: Convert to fraction form
    36,354.84/54,539.56 = 12,980.68/x
  3. Step 3: Cross multiply
    36,354.84x = 54,539.56 × 12,980.68
  4. Step 4: Simplify right side
    36,354.84x = 707,960,575.70
  5. Step 5: Solve for x
    x = 707,960,575.70/36,354.84
  6. Step 6: Final answer
    x = 19,473.63

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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.