Home / 31,936.34-47,814.14-16,909.32

Finding the Fourth Proportional to 31,936.34, 47,814.14 and 16,909.32

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Solution

The fourth proportional to 31,936.34, 47,814.14 and 16,909.32 is: 25,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,936.34 : 47,814.14 = 16,909.32 : x
  2. Step 2: Convert to fraction form
    31,936.34/47,814.14 = 16,909.32/x
  3. Step 3: Cross multiply
    31,936.34x = 47,814.14 × 16,909.32
  4. Step 4: Simplify right side
    31,936.34x = 808,504,509.24
  5. Step 5: Solve for x
    x = 808,504,509.24/31,936.34
  6. Step 6: Final answer
    x = 25,316.13

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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.