Home / 30,544.95-42,157.22-17,975.91

Finding the Fourth Proportional to 30,544.95, 42,157.22 and 17,975.91

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Solution

The fourth proportional to 30,544.95, 42,157.22 and 17,975.91 is: 24,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,544.95 : 42,157.22 = 17,975.91 : x
  2. Step 2: Convert to fraction form
    30,544.95/42,157.22 = 17,975.91/x
  3. Step 3: Cross multiply
    30,544.95x = 42,157.22 × 17,975.91
  4. Step 4: Simplify right side
    30,544.95x = 757,814,302.69
  5. Step 5: Solve for x
    x = 757,814,302.69/30,544.95
  6. Step 6: Final answer
    x = 24,809.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.