Home / 31,416.50-43,352.34-17,984.54

Finding the Fourth Proportional to 31,416.50, 43,352.34 and 17,984.54

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Solution

The fourth proportional to 31,416.50, 43,352.34 and 17,984.54 is: 24,817.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.50 : 43,352.34 = 17,984.54 : x
  2. Step 2: Convert to fraction form
    31,416.50/43,352.34 = 17,984.54/x
  3. Step 3: Cross multiply
    31,416.50x = 43,352.34 × 17,984.54
  4. Step 4: Simplify right side
    31,416.50x = 779,671,892.82
  5. Step 5: Solve for x
    x = 779,671,892.82/31,416.50
  6. Step 6: Final answer
    x = 24,817.27

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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.