Home / 50,903.31-76,377.65-19,740.99

Finding the Fourth Proportional to 50,903.31, 76,377.65 and 19,740.99

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Solution

The fourth proportional to 50,903.31, 76,377.65 and 19,740.99 is: 29,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,903.31 : 76,377.65 = 19,740.99 : x
  2. Step 2: Convert to fraction form
    50,903.31/76,377.65 = 19,740.99/x
  3. Step 3: Cross multiply
    50,903.31x = 76,377.65 × 19,740.99
  4. Step 4: Simplify right side
    50,903.31x = 1,507,770,326.17
  5. Step 5: Solve for x
    x = 1,507,770,326.17/50,903.31
  6. Step 6: Final answer
    x = 29,620.28

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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.