Home / 39,031.65-58,550.09-13,728.13

Finding the Fourth Proportional to 39,031.65, 58,550.09 and 13,728.13

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Solution

The fourth proportional to 39,031.65, 58,550.09 and 13,728.13 is: 20,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,031.65 : 58,550.09 = 13,728.13 : x
  2. Step 2: Convert to fraction form
    39,031.65/58,550.09 = 13,728.13/x
  3. Step 3: Cross multiply
    39,031.65x = 58,550.09 × 13,728.13
  4. Step 4: Simplify right side
    39,031.65x = 803,783,032.02
  5. Step 5: Solve for x
    x = 803,783,032.02/39,031.65
  6. Step 6: Final answer
    x = 20,593.11

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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.