Home / 30,570.44-45,859.74-12,098.12

Finding the Fourth Proportional to 30,570.44, 45,859.74 and 12,098.12

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Solution

The fourth proportional to 30,570.44, 45,859.74 and 12,098.12 is: 18,148.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570.44 : 45,859.74 = 12,098.12 : x
  2. Step 2: Convert to fraction form
    30,570.44/45,859.74 = 12,098.12/x
  3. Step 3: Cross multiply
    30,570.44x = 45,859.74 × 12,098.12
  4. Step 4: Simplify right side
    30,570.44x = 554,816,637.69
  5. Step 5: Solve for x
    x = 554,816,637.69/30,570.44
  6. Step 6: Final answer
    x = 18,148.79

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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.