Home / 49,728.42-68,623.20-28,492.92

Finding the Fourth Proportional to 49,728.42, 68,623.20 and 28,492.92

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Solution

The fourth proportional to 49,728.42, 68,623.20 and 28,492.92 is: 39,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,728.42 : 68,623.20 = 28,492.92 : x
  2. Step 2: Convert to fraction form
    49,728.42/68,623.20 = 28,492.92/x
  3. Step 3: Cross multiply
    49,728.42x = 68,623.20 × 28,492.92
  4. Step 4: Simplify right side
    49,728.42x = 1,955,275,347.74
  5. Step 5: Solve for x
    x = 1,955,275,347.74/49,728.42
  6. Step 6: Final answer
    x = 39,319.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.