Home / 30,555.44-45,903.33-21,570.22

Finding the Fourth Proportional to 30,555.44, 45,903.33 and 21,570.22

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Solution

The fourth proportional to 30,555.44, 45,903.33 and 21,570.22 is: 32,404.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,555.44 : 45,903.33 = 21,570.22 : x
  2. Step 2: Convert to fraction form
    30,555.44/45,903.33 = 21,570.22/x
  3. Step 3: Cross multiply
    30,555.44x = 45,903.33 × 21,570.22
  4. Step 4: Simplify right side
    30,555.44x = 990,144,892.96
  5. Step 5: Solve for x
    x = 990,144,892.96/30,555.44
  6. Step 6: Final answer
    x = 32,404.86

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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.