Home / 49,422.94-74,120.02-28,359.40

Finding the Fourth Proportional to 49,422.94, 74,120.02 and 28,359.40

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Solution

The fourth proportional to 49,422.94, 74,120.02 and 28,359.40 is: 42,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.94 : 74,120.02 = 28,359.40 : x
  2. Step 2: Convert to fraction form
    49,422.94/74,120.02 = 28,359.40/x
  3. Step 3: Cross multiply
    49,422.94x = 74,120.02 × 28,359.40
  4. Step 4: Simplify right side
    49,422.94x = 2,101,999,295.19
  5. Step 5: Solve for x
    x = 2,101,999,295.19/49,422.94
  6. Step 6: Final answer
    x = 42,530.84

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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.