Home / 31,590.73-43,597.51-18,166.20

Finding the Fourth Proportional to 31,590.73, 43,597.51 and 18,166.20

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Solution

The fourth proportional to 31,590.73, 43,597.51 and 18,166.20 is: 25,070.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,590.73 : 43,597.51 = 18,166.20 : x
  2. Step 2: Convert to fraction form
    31,590.73/43,597.51 = 18,166.20/x
  3. Step 3: Cross multiply
    31,590.73x = 43,597.51 × 18,166.20
  4. Step 4: Simplify right side
    31,590.73x = 792,000,777.34
  5. Step 5: Solve for x
    x = 792,000,777.34/31,590.73
  6. Step 6: Final answer
    x = 25,070.67

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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.