Home / 30,531.43-45,799.37-9,468.80

Finding the Fourth Proportional to 30,531.43, 45,799.37 and 9,468.80

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Solution

The fourth proportional to 30,531.43, 45,799.37 and 9,468.80 is: 14,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,531.43 : 45,799.37 = 9,468.80 : x
  2. Step 2: Convert to fraction form
    30,531.43/45,799.37 = 9,468.80/x
  3. Step 3: Cross multiply
    30,531.43x = 45,799.37 × 9,468.80
  4. Step 4: Simplify right side
    30,531.43x = 433,664,798.32
  5. Step 5: Solve for x
    x = 433,664,798.32/30,531.43
  6. Step 6: Final answer
    x = 14,203.88

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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.