Home / 56,126.04-77,453.46-30,975

Finding the Fourth Proportional to 56,126.04, 77,453.46 and 30,975

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Solution

The fourth proportional to 56,126.04, 77,453.46 and 30,975 is: 42,745.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,126.04 : 77,453.46 = 30,975 : x
  2. Step 2: Convert to fraction form
    56,126.04/77,453.46 = 30,975/x
  3. Step 3: Cross multiply
    56,126.04x = 77,453.46 × 30,975
  4. Step 4: Simplify right side
    56,126.04x = 2,399,120,923.50
  5. Step 5: Solve for x
    x = 2,399,120,923.50/56,126.04
  6. Step 6: Final answer
    x = 42,745.24

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1.5x scale

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.