Home / 50,969.16-76,449.96-21,385.80

Finding the Fourth Proportional to 50,969.16, 76,449.96 and 21,385.80

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Solution

The fourth proportional to 50,969.16, 76,449.96 and 21,385.80 is: 32,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,969.16 : 76,449.96 = 21,385.80 : x
  2. Step 2: Convert to fraction form
    50,969.16/76,449.96 = 21,385.80/x
  3. Step 3: Cross multiply
    50,969.16x = 76,449.96 × 21,385.80
  4. Step 4: Simplify right side
    50,969.16x = 1,634,943,554.57
  5. Step 5: Solve for x
    x = 1,634,943,554.57/50,969.16
  6. Step 6: Final answer
    x = 32,077.11

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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.