Home / 30,281.25-45,422.28-9,504.75

Finding the Fourth Proportional to 30,281.25, 45,422.28 and 9,504.75

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Solution

The fourth proportional to 30,281.25, 45,422.28 and 9,504.75 is: 14,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,281.25 : 45,422.28 = 9,504.75 : x
  2. Step 2: Convert to fraction form
    30,281.25/45,422.28 = 9,504.75/x
  3. Step 3: Cross multiply
    30,281.25x = 45,422.28 × 9,504.75
  4. Step 4: Simplify right side
    30,281.25x = 431,727,415.83
  5. Step 5: Solve for x
    x = 431,727,415.83/30,281.25
  6. Step 6: Final answer
    x = 14,257.25

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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.