Home / 30,770.48-46,158.46-12,051.89

Finding the Fourth Proportional to 30,770.48, 46,158.46 and 12,051.89

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Solution

The fourth proportional to 30,770.48, 46,158.46 and 12,051.89 is: 18,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.48 : 46,158.46 = 12,051.89 : x
  2. Step 2: Convert to fraction form
    30,770.48/46,158.46 = 12,051.89/x
  3. Step 3: Cross multiply
    30,770.48x = 46,158.46 × 12,051.89
  4. Step 4: Simplify right side
    30,770.48x = 556,296,594.66
  5. Step 5: Solve for x
    x = 556,296,594.66/30,770.48
  6. Step 6: Final answer
    x = 18,078.90

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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.