Home / 31,566.19-43,560.96-18,136.39

Finding the Fourth Proportional to 31,566.19, 43,560.96 and 18,136.39

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Solution

The fourth proportional to 31,566.19, 43,560.96 and 18,136.39 is: 25,027.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,566.19 : 43,560.96 = 18,136.39 : x
  2. Step 2: Convert to fraction form
    31,566.19/43,560.96 = 18,136.39/x
  3. Step 3: Cross multiply
    31,566.19x = 43,560.96 × 18,136.39
  4. Step 4: Simplify right side
    31,566.19x = 790,038,410.47
  5. Step 5: Solve for x
    x = 790,038,410.47/31,566.19
  6. Step 6: Final answer
    x = 25,027.99

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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.