Home / 49,530.80-74,296.20-18,359.60

Finding the Fourth Proportional to 49,530.80, 74,296.20 and 18,359.60

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Solution

The fourth proportional to 49,530.80, 74,296.20 and 18,359.60 is: 27,539.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,530.80 : 74,296.20 = 18,359.60 : x
  2. Step 2: Convert to fraction form
    49,530.80/74,296.20 = 18,359.60/x
  3. Step 3: Cross multiply
    49,530.80x = 74,296.20 × 18,359.60
  4. Step 4: Simplify right side
    49,530.80x = 1,364,048,513.52
  5. Step 5: Solve for x
    x = 1,364,048,513.52/49,530.80
  6. Step 6: Final answer
    x = 27,539.40

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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.