Home / 30,047.22-45,051.75-15,998.58

Finding the Fourth Proportional to 30,047.22, 45,051.75 and 15,998.58

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Solution

The fourth proportional to 30,047.22, 45,051.75 and 15,998.58 is: 23,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,047.22 : 45,051.75 = 15,998.58 : x
  2. Step 2: Convert to fraction form
    30,047.22/45,051.75 = 15,998.58/x
  3. Step 3: Cross multiply
    30,047.22x = 45,051.75 × 15,998.58
  4. Step 4: Simplify right side
    30,047.22x = 720,764,026.52
  5. Step 5: Solve for x
    x = 720,764,026.52/30,047.22
  6. Step 6: Final answer
    x = 23,987.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.