Home / 55,454.64-76,528.44-30,305.04

Finding the Fourth Proportional to 55,454.64, 76,528.44 and 30,305.04

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Solution

The fourth proportional to 55,454.64, 76,528.44 and 30,305.04 is: 41,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,454.64 : 76,528.44 = 30,305.04 : x
  2. Step 2: Convert to fraction form
    55,454.64/76,528.44 = 30,305.04/x
  3. Step 3: Cross multiply
    55,454.64x = 76,528.44 × 30,305.04
  4. Step 4: Simplify right side
    55,454.64x = 2,319,197,435.34
  5. Step 5: Solve for x
    x = 2,319,197,435.34/55,454.64
  6. Step 6: Final answer
    x = 41,821.52

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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.