Home / 49,835.72-74,784.71-20,253.56

Finding the Fourth Proportional to 49,835.72, 74,784.71 and 20,253.56

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Solution

The fourth proportional to 49,835.72, 74,784.71 and 20,253.56 is: 30,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,835.72 : 74,784.71 = 20,253.56 : x
  2. Step 2: Convert to fraction form
    49,835.72/74,784.71 = 20,253.56/x
  3. Step 3: Cross multiply
    49,835.72x = 74,784.71 × 20,253.56
  4. Step 4: Simplify right side
    49,835.72x = 1,514,656,287.78
  5. Step 5: Solve for x
    x = 1,514,656,287.78/49,835.72
  6. Step 6: Final answer
    x = 30,392.98

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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.