Home / 50,740.10-76,069.14-21,180.07

Finding the Fourth Proportional to 50,740.10, 76,069.14 and 21,180.07

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Solution

The fourth proportional to 50,740.10, 76,069.14 and 21,180.07 is: 31,752.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,740.10 : 76,069.14 = 21,180.07 : x
  2. Step 2: Convert to fraction form
    50,740.10/76,069.14 = 21,180.07/x
  3. Step 3: Cross multiply
    50,740.10x = 76,069.14 × 21,180.07
  4. Step 4: Simplify right side
    50,740.10x = 1,611,149,416.95
  5. Step 5: Solve for x
    x = 1,611,149,416.95/50,740.10
  6. Step 6: Final answer
    x = 31,752.98

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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.