Home / 30,219.69-45,329.40-11,495.34

Finding the Fourth Proportional to 30,219.69, 45,329.40 and 11,495.34

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Solution

The fourth proportional to 30,219.69, 45,329.40 and 11,495.34 is: 17,242.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,219.69 : 45,329.40 = 11,495.34 : x
  2. Step 2: Convert to fraction form
    30,219.69/45,329.40 = 11,495.34/x
  3. Step 3: Cross multiply
    30,219.69x = 45,329.40 × 11,495.34
  4. Step 4: Simplify right side
    30,219.69x = 521,076,865.00
  5. Step 5: Solve for x
    x = 521,076,865.00/30,219.69
  6. Step 6: Final answer
    x = 17,242.96

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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.