Home / 30,449.09-45,558.80-17,975.90

Finding the Fourth Proportional to 30,449.09, 45,558.80 and 17,975.90

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Solution

The fourth proportional to 30,449.09, 45,558.80 and 17,975.90 is: 26,896.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,449.09 : 45,558.80 = 17,975.90 : x
  2. Step 2: Convert to fraction form
    30,449.09/45,558.80 = 17,975.90/x
  3. Step 3: Cross multiply
    30,449.09x = 45,558.80 × 17,975.90
  4. Step 4: Simplify right side
    30,449.09x = 818,960,343.04
  5. Step 5: Solve for x
    x = 818,960,343.04/30,449.09
  6. Step 6: Final answer
    x = 26,896.05

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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.