Home / 60,153.12-90,172.94-20,682.63

Finding the Fourth Proportional to 60,153.12, 90,172.94 and 20,682.63

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Solution

The fourth proportional to 60,153.12, 90,172.94 and 20,682.63 is: 31,004.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,153.12 : 90,172.94 = 20,682.63 : x
  2. Step 2: Convert to fraction form
    60,153.12/90,172.94 = 20,682.63/x
  3. Step 3: Cross multiply
    60,153.12x = 90,172.94 × 20,682.63
  4. Step 4: Simplify right side
    60,153.12x = 1,865,013,450.62
  5. Step 5: Solve for x
    x = 1,865,013,450.62/60,153.12
  6. Step 6: Final answer
    x = 31,004.43

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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.