Home / 31,861.60-43,966.56-17,712.16

Finding the Fourth Proportional to 31,861.60, 43,966.56 and 17,712.16

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Solution

The fourth proportional to 31,861.60, 43,966.56 and 17,712.16 is: 24,441.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,861.60 : 43,966.56 = 17,712.16 : x
  2. Step 2: Convert to fraction form
    31,861.60/43,966.56 = 17,712.16/x
  3. Step 3: Cross multiply
    31,861.60x = 43,966.56 × 17,712.16
  4. Step 4: Simplify right side
    31,861.60x = 778,742,745.37
  5. Step 5: Solve for x
    x = 778,742,745.37/31,861.60
  6. Step 6: Final answer
    x = 24,441.42

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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.