Home / 50,945.49-76,421.75-21,333.51

Finding the Fourth Proportional to 50,945.49, 76,421.75 and 21,333.51

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Solution

The fourth proportional to 50,945.49, 76,421.75 and 21,333.51 is: 32,001.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,945.49 : 76,421.75 = 21,333.51 : x
  2. Step 2: Convert to fraction form
    50,945.49/76,421.75 = 21,333.51/x
  3. Step 3: Cross multiply
    50,945.49x = 76,421.75 × 21,333.51
  4. Step 4: Simplify right side
    50,945.49x = 1,630,344,061.17
  5. Step 5: Solve for x
    x = 1,630,344,061.17/50,945.49
  6. Step 6: Final answer
    x = 32,001.73

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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.