Home / 76,050.25-114,075.38-20,646.25

Finding the Fourth Proportional to 76,050.25, 114,075.38 and 20,646.25

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Solution

The fourth proportional to 76,050.25, 114,075.38 and 20,646.25 is: 30,969.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,050.25 : 114,075.38 = 20,646.25 : x
  2. Step 2: Convert to fraction form
    76,050.25/114,075.38 = 20,646.25/x
  3. Step 3: Cross multiply
    76,050.25x = 114,075.38 × 20,646.25
  4. Step 4: Simplify right side
    76,050.25x = 2,355,228,814.33
  5. Step 5: Solve for x
    x = 2,355,228,814.33/76,050.25
  6. Step 6: Final answer
    x = 30,969.38

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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.