Home / 30,020.09-45,037.91-15,968.54

Finding the Fourth Proportional to 30,020.09, 45,037.91 and 15,968.54

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Solution

The fourth proportional to 30,020.09, 45,037.91 and 15,968.54 is: 23,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,020.09 : 45,037.91 = 15,968.54 : x
  2. Step 2: Convert to fraction form
    30,020.09/45,037.91 = 15,968.54/x
  3. Step 3: Cross multiply
    30,020.09x = 45,037.91 × 15,968.54
  4. Step 4: Simplify right side
    30,020.09x = 719,189,587.51
  5. Step 5: Solve for x
    x = 719,189,587.51/30,020.09
  6. Step 6: Final answer
    x = 23,956.95

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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.