Home / 30,252.72-45,383.40-9,470.64

Finding the Fourth Proportional to 30,252.72, 45,383.40 and 9,470.64

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Solution

The fourth proportional to 30,252.72, 45,383.40 and 9,470.64 is: 14,207.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.72 : 45,383.40 = 9,470.64 : x
  2. Step 2: Convert to fraction form
    30,252.72/45,383.40 = 9,470.64/x
  3. Step 3: Cross multiply
    30,252.72x = 45,383.40 × 9,470.64
  4. Step 4: Simplify right side
    30,252.72x = 429,809,843.38
  5. Step 5: Solve for x
    x = 429,809,843.38/30,252.72
  6. Step 6: Final answer
    x = 14,207.31

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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.