Home / 66,713.37-100,075.23-19,329.14

Finding the Fourth Proportional to 66,713.37, 100,075.23 and 19,329.14

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Solution

The fourth proportional to 66,713.37, 100,075.23 and 19,329.14 is: 28,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,713.37 : 100,075.23 = 19,329.14 : x
  2. Step 2: Convert to fraction form
    66,713.37/100,075.23 = 19,329.14/x
  3. Step 3: Cross multiply
    66,713.37x = 100,075.23 × 19,329.14
  4. Step 4: Simplify right side
    66,713.37x = 1,934,367,630.83
  5. Step 5: Solve for x
    x = 1,934,367,630.83/66,713.37
  6. Step 6: Final answer
    x = 28,995.20

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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.