Home / 55,324.04-76,346.34-30,173

Finding the Fourth Proportional to 55,324.04, 76,346.34 and 30,173

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Solution

The fourth proportional to 55,324.04, 76,346.34 and 30,173 is: 41,638.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.04 : 76,346.34 = 30,173 : x
  2. Step 2: Convert to fraction form
    55,324.04/76,346.34 = 30,173/x
  3. Step 3: Cross multiply
    55,324.04x = 76,346.34 × 30,173
  4. Step 4: Simplify right side
    55,324.04x = 2,303,598,116.82
  5. Step 5: Solve for x
    x = 2,303,598,116.82/55,324.04
  6. Step 6: Final answer
    x = 41,638.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.