Home / 38,736.36-58,114.26-12,443.76

Finding the Fourth Proportional to 38,736.36, 58,114.26 and 12,443.76

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Solution

The fourth proportional to 38,736.36, 58,114.26 and 12,443.76 is: 18,668.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,736.36 : 58,114.26 = 12,443.76 : x
  2. Step 2: Convert to fraction form
    38,736.36/58,114.26 = 12,443.76/x
  3. Step 3: Cross multiply
    38,736.36x = 58,114.26 × 12,443.76
  4. Step 4: Simplify right side
    38,736.36x = 723,159,904.02
  5. Step 5: Solve for x
    x = 723,159,904.02/38,736.36
  6. Step 6: Final answer
    x = 18,668.76

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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.