Home / 30,654.83-45,999.99-12,884.09

Finding the Fourth Proportional to 30,654.83, 45,999.99 and 12,884.09

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Solution

The fourth proportional to 30,654.83, 45,999.99 and 12,884.09 is: 19,333.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,654.83 : 45,999.99 = 12,884.09 : x
  2. Step 2: Convert to fraction form
    30,654.83/45,999.99 = 12,884.09/x
  3. Step 3: Cross multiply
    30,654.83x = 45,999.99 × 12,884.09
  4. Step 4: Simplify right side
    30,654.83x = 592,668,011.16
  5. Step 5: Solve for x
    x = 592,668,011.16/30,654.83
  6. Step 6: Final answer
    x = 19,333.59

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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.