Home / 49,784.80-74,576.40-31,007.20

Finding the Fourth Proportional to 49,784.80, 74,576.40 and 31,007.20

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Solution

The fourth proportional to 49,784.80, 74,576.40 and 31,007.20 is: 46,448.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.80 : 74,576.40 = 31,007.20 : x
  2. Step 2: Convert to fraction form
    49,784.80/74,576.40 = 31,007.20/x
  3. Step 3: Cross multiply
    49,784.80x = 74,576.40 × 31,007.20
  4. Step 4: Simplify right side
    49,784.80x = 2,312,405,350.08
  5. Step 5: Solve for x
    x = 2,312,405,350.08/49,784.80
  6. Step 6: Final answer
    x = 46,448.02

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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.