Home / 30,326.90-45,468.80-11,591.14

Finding the Fourth Proportional to 30,326.90, 45,468.80 and 11,591.14

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Solution

The fourth proportional to 30,326.90, 45,468.80 and 11,591.14 is: 17,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,326.90 : 45,468.80 = 11,591.14 : x
  2. Step 2: Convert to fraction form
    30,326.90/45,468.80 = 11,591.14/x
  3. Step 3: Cross multiply
    30,326.90x = 45,468.80 × 11,591.14
  4. Step 4: Simplify right side
    30,326.90x = 527,035,226.43
  5. Step 5: Solve for x
    x = 527,035,226.43/30,326.90
  6. Step 6: Final answer
    x = 17,378.47

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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.