Home / 38,668.90-57,999.60-12,366.58

Finding the Fourth Proportional to 38,668.90, 57,999.60 and 12,366.58

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Solution

The fourth proportional to 38,668.90, 57,999.60 and 12,366.58 is: 18,548.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.90 : 57,999.60 = 12,366.58 : x
  2. Step 2: Convert to fraction form
    38,668.90/57,999.60 = 12,366.58/x
  3. Step 3: Cross multiply
    38,668.90x = 57,999.60 × 12,366.58
  4. Step 4: Simplify right side
    38,668.90x = 717,256,693.37
  5. Step 5: Solve for x
    x = 717,256,693.37/38,668.90
  6. Step 6: Final answer
    x = 18,548.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.