Home / 30,425.69-45,638.64-9,365.59

Finding the Fourth Proportional to 30,425.69, 45,638.64 and 9,365.59

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Solution

The fourth proportional to 30,425.69, 45,638.64 and 9,365.59 is: 14,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,425.69 : 45,638.64 = 9,365.59 : x
  2. Step 2: Convert to fraction form
    30,425.69/45,638.64 = 9,365.59/x
  3. Step 3: Cross multiply
    30,425.69x = 45,638.64 × 9,365.59
  4. Step 4: Simplify right side
    30,425.69x = 427,432,847.45
  5. Step 5: Solve for x
    x = 427,432,847.45/30,425.69
  6. Step 6: Final answer
    x = 14,048.42

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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.