Home / 30,075.36-45,119.27-9,014.55

Finding the Fourth Proportional to 30,075.36, 45,119.27 and 9,014.55

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Solution

The fourth proportional to 30,075.36, 45,119.27 and 9,014.55 is: 13,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.36 : 45,119.27 = 9,014.55 : x
  2. Step 2: Convert to fraction form
    30,075.36/45,119.27 = 9,014.55/x
  3. Step 3: Cross multiply
    30,075.36x = 45,119.27 × 9,014.55
  4. Step 4: Simplify right side
    30,075.36x = 406,729,870.31
  5. Step 5: Solve for x
    x = 406,729,870.31/30,075.36
  6. Step 6: Final answer
    x = 13,523.69

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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.