Home / 34,962.80-48,245.02-20,812.88

Finding the Fourth Proportional to 34,962.80, 48,245.02 and 20,812.88

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Solution

The fourth proportional to 34,962.80, 48,245.02 and 20,812.88 is: 28,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,962.80 : 48,245.02 = 20,812.88 : x
  2. Step 2: Convert to fraction form
    34,962.80/48,245.02 = 20,812.88/x
  3. Step 3: Cross multiply
    34,962.80x = 48,245.02 × 20,812.88
  4. Step 4: Simplify right side
    34,962.80x = 1,004,117,811.86
  5. Step 5: Solve for x
    x = 1,004,117,811.86/34,962.80
  6. Step 6: Final answer
    x = 28,719.61

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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.