Home / 55,455.48-76,528.80-30,305.52

Finding the Fourth Proportional to 55,455.48, 76,528.80 and 30,305.52

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Solution

The fourth proportional to 55,455.48, 76,528.80 and 30,305.52 is: 41,821.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.48 : 76,528.80 = 30,305.52 : x
  2. Step 2: Convert to fraction form
    55,455.48/76,528.80 = 30,305.52/x
  3. Step 3: Cross multiply
    55,455.48x = 76,528.80 × 30,305.52
  4. Step 4: Simplify right side
    55,455.48x = 2,319,245,078.98
  5. Step 5: Solve for x
    x = 2,319,245,078.98/55,455.48
  6. Step 6: Final answer
    x = 41,821.75

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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.