Home / 55,153.66-76,111.76-30,003.16

Finding the Fourth Proportional to 55,153.66, 76,111.76 and 30,003.16

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Solution

The fourth proportional to 55,153.66, 76,111.76 and 30,003.16 is: 41,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153.66 : 76,111.76 = 30,003.16 : x
  2. Step 2: Convert to fraction form
    55,153.66/76,111.76 = 30,003.16/x
  3. Step 3: Cross multiply
    55,153.66x = 76,111.76 × 30,003.16
  4. Step 4: Simplify right side
    55,153.66x = 2,283,593,313.16
  5. Step 5: Solve for x
    x = 2,283,593,313.16/55,153.66
  6. Step 6: Final answer
    x = 41,404.20

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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.