Home / 39,031.72-58,558.54-15,674.56

Finding the Fourth Proportional to 39,031.72, 58,558.54 and 15,674.56

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Solution

The fourth proportional to 39,031.72, 58,558.54 and 15,674.56 is: 23,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.72 : 58,558.54 = 15,674.56 : x
  2. Step 2: Convert to fraction form
    39,031.72/58,558.54 = 15,674.56/x
  3. Step 3: Cross multiply
    39,031.72x = 58,558.54 × 15,674.56
  4. Step 4: Simplify right side
    39,031.72x = 917,879,348.74
  5. Step 5: Solve for x
    x = 917,879,348.74/39,031.72
  6. Step 6: Final answer
    x = 23,516.24

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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.