Home / 36,510.50-54,782.22-20,928.14

Finding the Fourth Proportional to 36,510.50, 54,782.22 and 20,928.14

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Solution

The fourth proportional to 36,510.50, 54,782.22 and 20,928.14 is: 31,401.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,510.50 : 54,782.22 = 20,928.14 : x
  2. Step 2: Convert to fraction form
    36,510.50/54,782.22 = 20,928.14/x
  3. Step 3: Cross multiply
    36,510.50x = 54,782.22 × 20,928.14
  4. Step 4: Simplify right side
    36,510.50x = 1,146,489,969.67
  5. Step 5: Solve for x
    x = 1,146,489,969.67/36,510.50
  6. Step 6: Final answer
    x = 31,401.65

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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.