Home / 50,147.12-75,208.32-20,573.36

Finding the Fourth Proportional to 50,147.12, 75,208.32 and 20,573.36

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Solution

The fourth proportional to 50,147.12, 75,208.32 and 20,573.36 is: 30,854.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,147.12 : 75,208.32 = 20,573.36 : x
  2. Step 2: Convert to fraction form
    50,147.12/75,208.32 = 20,573.36/x
  3. Step 3: Cross multiply
    50,147.12x = 75,208.32 × 20,573.36
  4. Step 4: Simplify right side
    50,147.12x = 1,547,287,842.36
  5. Step 5: Solve for x
    x = 1,547,287,842.36/50,147.12
  6. Step 6: Final answer
    x = 30,854.97

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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.