Home / 55,150.58-76,108.56-30,000.08

Finding the Fourth Proportional to 55,150.58, 76,108.56 and 30,000.08

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Solution

The fourth proportional to 55,150.58, 76,108.56 and 30,000.08 is: 41,400.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,150.58 : 76,108.56 = 30,000.08 : x
  2. Step 2: Convert to fraction form
    55,150.58/76,108.56 = 30,000.08/x
  3. Step 3: Cross multiply
    55,150.58x = 76,108.56 × 30,000.08
  4. Step 4: Simplify right side
    55,150.58x = 2,283,262,888.68
  5. Step 5: Solve for x
    x = 2,283,262,888.68/55,150.58
  6. Step 6: Final answer
    x = 41,400.52

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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.