Home / 49,528.80-74,192.40-30,751.20

Finding the Fourth Proportional to 49,528.80, 74,192.40 and 30,751.20

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Solution

The fourth proportional to 49,528.80, 74,192.40 and 30,751.20 is: 46,064.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,528.80 : 74,192.40 = 30,751.20 : x
  2. Step 2: Convert to fraction form
    49,528.80/74,192.40 = 30,751.20/x
  3. Step 3: Cross multiply
    49,528.80x = 74,192.40 × 30,751.20
  4. Step 4: Simplify right side
    49,528.80x = 2,281,505,330.88
  5. Step 5: Solve for x
    x = 2,281,505,330.88/49,528.80
  6. Step 6: Final answer
    x = 46,064.22

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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.