Home / 30,626.82-45,916.88-13,975.25

Finding the Fourth Proportional to 30,626.82, 45,916.88 and 13,975.25

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Solution

The fourth proportional to 30,626.82, 45,916.88 and 13,975.25 is: 20,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,626.82 : 45,916.88 = 13,975.25 : x
  2. Step 2: Convert to fraction form
    30,626.82/45,916.88 = 13,975.25/x
  3. Step 3: Cross multiply
    30,626.82x = 45,916.88 × 13,975.25
  4. Step 4: Simplify right side
    30,626.82x = 641,699,577.76
  5. Step 5: Solve for x
    x = 641,699,577.76/30,626.82
  6. Step 6: Final answer
    x = 20,952.21

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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.