Home / 31,549.08-47,392.31-19,074.99

Finding the Fourth Proportional to 31,549.08, 47,392.31 and 19,074.99

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Solution

The fourth proportional to 31,549.08, 47,392.31 and 19,074.99 is: 28,654.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.08 : 47,392.31 = 19,074.99 : x
  2. Step 2: Convert to fraction form
    31,549.08/47,392.31 = 19,074.99/x
  3. Step 3: Cross multiply
    31,549.08x = 47,392.31 × 19,074.99
  4. Step 4: Simplify right side
    31,549.08x = 904,007,839.33
  5. Step 5: Solve for x
    x = 904,007,839.33/31,549.08
  6. Step 6: Final answer
    x = 28,654.02

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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.