Home / 53,878.84-80,819.58-18,340.09

Finding the Fourth Proportional to 53,878.84, 80,819.58 and 18,340.09

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Solution

The fourth proportional to 53,878.84, 80,819.58 and 18,340.09 is: 27,510.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,878.84 : 80,819.58 = 18,340.09 : x
  2. Step 2: Convert to fraction form
    53,878.84/80,819.58 = 18,340.09/x
  3. Step 3: Cross multiply
    53,878.84x = 80,819.58 × 18,340.09
  4. Step 4: Simplify right side
    53,878.84x = 1,482,238,370.96
  5. Step 5: Solve for x
    x = 1,482,238,370.96/53,878.84
  6. Step 6: Final answer
    x = 27,510.58

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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.