Home / 45,799.46-68,699.25-12,519.53

Finding the Fourth Proportional to 45,799.46, 68,699.25 and 12,519.53

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Solution

The fourth proportional to 45,799.46, 68,699.25 and 12,519.53 is: 18,779.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,799.46 : 68,699.25 = 12,519.53 : x
  2. Step 2: Convert to fraction form
    45,799.46/68,699.25 = 12,519.53/x
  3. Step 3: Cross multiply
    45,799.46x = 68,699.25 × 12,519.53
  4. Step 4: Simplify right side
    45,799.46x = 860,081,977.86
  5. Step 5: Solve for x
    x = 860,081,977.86/45,799.46
  6. Step 6: Final answer
    x = 18,779.31

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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.