Home / 30,074.28-45,112.50-9,014.55

Finding the Fourth Proportional to 30,074.28, 45,112.50 and 9,014.55

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Solution

The fourth proportional to 30,074.28, 45,112.50 and 9,014.55 is: 13,522.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,074.28 : 45,112.50 = 9,014.55 : x
  2. Step 2: Convert to fraction form
    30,074.28/45,112.50 = 9,014.55/x
  3. Step 3: Cross multiply
    30,074.28x = 45,112.50 × 9,014.55
  4. Step 4: Simplify right side
    30,074.28x = 406,668,886.88
  5. Step 5: Solve for x
    x = 406,668,886.88/30,074.28
  6. Step 6: Final answer
    x = 13,522.15

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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.