Home / 31,416.05-43,349.58-17,984.84

Finding the Fourth Proportional to 31,416.05, 43,349.58 and 17,984.84

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Solution

The fourth proportional to 31,416.05, 43,349.58 and 17,984.84 is: 24,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.05 : 43,349.58 = 17,984.84 : x
  2. Step 2: Convert to fraction form
    31,416.05/43,349.58 = 17,984.84/x
  3. Step 3: Cross multiply
    31,416.05x = 43,349.58 × 17,984.84
  4. Step 4: Simplify right side
    31,416.05x = 779,635,043.62
  5. Step 5: Solve for x
    x = 779,635,043.62/31,416.05
  6. Step 6: Final answer
    x = 24,816.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.