Home / 31,728.20-47,593.05-10,668.51

Finding the Fourth Proportional to 31,728.20, 47,593.05 and 10,668.51

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Solution

The fourth proportional to 31,728.20, 47,593.05 and 10,668.51 is: 16,003.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.20 : 47,593.05 = 10,668.51 : x
  2. Step 2: Convert to fraction form
    31,728.20/47,593.05 = 10,668.51/x
  3. Step 3: Cross multiply
    31,728.20x = 47,593.05 × 10,668.51
  4. Step 4: Simplify right side
    31,728.20x = 507,746,929.86
  5. Step 5: Solve for x
    x = 507,746,929.86/31,728.20
  6. Step 6: Final answer
    x = 16,003.02

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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.