Home / 30,256.50-45,386.37-9,481.62

Finding the Fourth Proportional to 30,256.50, 45,386.37 and 9,481.62

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Solution

The fourth proportional to 30,256.50, 45,386.37 and 9,481.62 is: 14,222.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,256.50 : 45,386.37 = 9,481.62 : x
  2. Step 2: Convert to fraction form
    30,256.50/45,386.37 = 9,481.62/x
  3. Step 3: Cross multiply
    30,256.50x = 45,386.37 × 9,481.62
  4. Step 4: Simplify right side
    30,256.50x = 430,336,313.52
  5. Step 5: Solve for x
    x = 430,336,313.52/30,256.50
  6. Step 6: Final answer
    x = 14,222.94

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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.