Home / 55,405.08-76,458.60-30,254.76

Finding the Fourth Proportional to 55,405.08, 76,458.60 and 30,254.76

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Solution

The fourth proportional to 55,405.08, 76,458.60 and 30,254.76 is: 41,751.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405.08 : 76,458.60 = 30,254.76 : x
  2. Step 2: Convert to fraction form
    55,405.08/76,458.60 = 30,254.76/x
  3. Step 3: Cross multiply
    55,405.08x = 76,458.60 × 30,254.76
  4. Step 4: Simplify right side
    55,405.08x = 2,313,236,592.94
  5. Step 5: Solve for x
    x = 2,313,236,592.94/55,405.08
  6. Step 6: Final answer
    x = 41,751.34

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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.