Home / 55,153.80-76,111.82-30,003.32

Finding the Fourth Proportional to 55,153.80, 76,111.82 and 30,003.32

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Solution

The fourth proportional to 55,153.80, 76,111.82 and 30,003.32 is: 41,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,153.80 : 76,111.82 = 30,003.32 : x
  2. Step 2: Convert to fraction form
    55,153.80/76,111.82 = 30,003.32/x
  3. Step 3: Cross multiply
    55,153.80x = 76,111.82 × 30,003.32
  4. Step 4: Simplify right side
    55,153.80x = 2,283,607,291.24
  5. Step 5: Solve for x
    x = 2,283,607,291.24/55,153.80
  6. Step 6: Final answer
    x = 41,404.35

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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.