Home / 38,682.18-58,023.76-12,386.92

Finding the Fourth Proportional to 38,682.18, 58,023.76 and 12,386.92

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Solution

The fourth proportional to 38,682.18, 58,023.76 and 12,386.92 is: 18,580.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,682.18 : 58,023.76 = 12,386.92 : x
  2. Step 2: Convert to fraction form
    38,682.18/58,023.76 = 12,386.92/x
  3. Step 3: Cross multiply
    38,682.18x = 58,023.76 × 12,386.92
  4. Step 4: Simplify right side
    38,682.18x = 718,735,673.22
  5. Step 5: Solve for x
    x = 718,735,673.22/38,682.18
  6. Step 6: Final answer
    x = 18,580.54

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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.