Home / 30,860.60-46,307.70-16,819.80

Finding the Fourth Proportional to 30,860.60, 46,307.70 and 16,819.80

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Solution

The fourth proportional to 30,860.60, 46,307.70 and 16,819.80 is: 25,238.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,860.60 : 46,307.70 = 16,819.80 : x
  2. Step 2: Convert to fraction form
    30,860.60/46,307.70 = 16,819.80/x
  3. Step 3: Cross multiply
    30,860.60x = 46,307.70 × 16,819.80
  4. Step 4: Simplify right side
    30,860.60x = 778,886,252.46
  5. Step 5: Solve for x
    x = 778,886,252.46/30,860.60
  6. Step 6: Final answer
    x = 25,238.86

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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.