Home / 30,027.09-45,042.90-8,965.47

Finding the Fourth Proportional to 30,027.09, 45,042.90 and 8,965.47

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Solution

The fourth proportional to 30,027.09, 45,042.90 and 8,965.47 is: 13,448.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.09 : 45,042.90 = 8,965.47 : x
  2. Step 2: Convert to fraction form
    30,027.09/45,042.90 = 8,965.47/x
  3. Step 3: Cross multiply
    30,027.09x = 45,042.90 × 8,965.47
  4. Step 4: Simplify right side
    30,027.09x = 403,830,768.66
  5. Step 5: Solve for x
    x = 403,830,768.66/30,027.09
  6. Step 6: Final answer
    x = 13,448.88

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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.