Home / 50,971.21-76,433.05-19,387.15

Finding the Fourth Proportional to 50,971.21, 76,433.05 and 19,387.15

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Solution

The fourth proportional to 50,971.21, 76,433.05 and 19,387.15 is: 29,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,971.21 : 76,433.05 = 19,387.15 : x
  2. Step 2: Convert to fraction form
    50,971.21/76,433.05 = 19,387.15/x
  3. Step 3: Cross multiply
    50,971.21x = 76,433.05 × 19,387.15
  4. Step 4: Simplify right side
    50,971.21x = 1,481,818,838.46
  5. Step 5: Solve for x
    x = 1,481,818,838.46/50,971.21
  6. Step 6: Final answer
    x = 29,071.68

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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.