Home / 39,044.16-58,579.20-12,749.76

Finding the Fourth Proportional to 39,044.16, 58,579.20 and 12,749.76

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Solution

The fourth proportional to 39,044.16, 58,579.20 and 12,749.76 is: 19,128.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,044.16 : 58,579.20 = 12,749.76 : x
  2. Step 2: Convert to fraction form
    39,044.16/58,579.20 = 12,749.76/x
  3. Step 3: Cross multiply
    39,044.16x = 58,579.20 × 12,749.76
  4. Step 4: Simplify right side
    39,044.16x = 746,870,740.99
  5. Step 5: Solve for x
    x = 746,870,740.99/39,044.16
  6. Step 6: Final answer
    x = 19,128.87

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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.