Home / 50,870.04-76,278.42-21,282.36

Finding the Fourth Proportional to 50,870.04, 76,278.42 and 21,282.36

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Solution

The fourth proportional to 50,870.04, 76,278.42 and 21,282.36 is: 31,912.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,870.04 : 76,278.42 = 21,282.36 : x
  2. Step 2: Convert to fraction form
    50,870.04/76,278.42 = 21,282.36/x
  3. Step 3: Cross multiply
    50,870.04x = 76,278.42 × 21,282.36
  4. Step 4: Simplify right side
    50,870.04x = 1,623,384,794.67
  5. Step 5: Solve for x
    x = 1,623,384,794.67/50,870.04
  6. Step 6: Final answer
    x = 31,912.39

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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.