Home / 49,130.20-67,808.52-28,985.92

Finding the Fourth Proportional to 49,130.20, 67,808.52 and 28,985.92

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Solution

The fourth proportional to 49,130.20, 67,808.52 and 28,985.92 is: 40,005.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,130.20 : 67,808.52 = 28,985.92 : x
  2. Step 2: Convert to fraction form
    49,130.20/67,808.52 = 28,985.92/x
  3. Step 3: Cross multiply
    49,130.20x = 67,808.52 × 28,985.92
  4. Step 4: Simplify right side
    49,130.20x = 1,965,492,336.04
  5. Step 5: Solve for x
    x = 1,965,492,336.04/49,130.20
  6. Step 6: Final answer
    x = 40,005.79

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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.