Home / 49,852.20-74,756.70-20,260.20

Finding the Fourth Proportional to 49,852.20, 74,756.70 and 20,260.20

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Solution

The fourth proportional to 49,852.20, 74,756.70 and 20,260.20 is: 30,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,852.20 : 74,756.70 = 20,260.20 : x
  2. Step 2: Convert to fraction form
    49,852.20/74,756.70 = 20,260.20/x
  3. Step 3: Cross multiply
    49,852.20x = 74,756.70 × 20,260.20
  4. Step 4: Simplify right side
    49,852.20x = 1,514,585,693.34
  5. Step 5: Solve for x
    x = 1,514,585,693.34/49,852.20
  6. Step 6: Final answer
    x = 30,381.52

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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.