Home / 30,296.26-45,453.65-15,515.63

Finding the Fourth Proportional to 30,296.26, 45,453.65 and 15,515.63

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Solution

The fourth proportional to 30,296.26, 45,453.65 and 15,515.63 is: 23,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,296.26 : 45,453.65 = 15,515.63 : x
  2. Step 2: Convert to fraction form
    30,296.26/45,453.65 = 15,515.63/x
  3. Step 3: Cross multiply
    30,296.26x = 45,453.65 × 15,515.63
  4. Step 4: Simplify right side
    30,296.26x = 705,242,015.55
  5. Step 5: Solve for x
    x = 705,242,015.55/30,296.26
  6. Step 6: Final answer
    x = 23,278.19

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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.