Home / 30,280.88-45,422.94-9,506.00

Finding the Fourth Proportional to 30,280.88, 45,422.94 and 9,506.00

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Solution

The fourth proportional to 30,280.88, 45,422.94 and 9,506.00 is: 14,259.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,280.88 : 45,422.94 = 9,506.00 : x
  2. Step 2: Convert to fraction form
    30,280.88/45,422.94 = 9,506.00/x
  3. Step 3: Cross multiply
    30,280.88x = 45,422.94 × 9,506.00
  4. Step 4: Simplify right side
    30,280.88x = 431,790,240.53
  5. Step 5: Solve for x
    x = 431,790,240.53/30,280.88
  6. Step 6: Final answer
    x = 14,259.50

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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.