Home / 48,087.21-72,130.80-20,006.73

Finding the Fourth Proportional to 48,087.21, 72,130.80 and 20,006.73

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Solution

The fourth proportional to 48,087.21, 72,130.80 and 20,006.73 is: 30,010.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,087.21 : 72,130.80 = 20,006.73 : x
  2. Step 2: Convert to fraction form
    48,087.21/72,130.80 = 20,006.73/x
  3. Step 3: Cross multiply
    48,087.21x = 72,130.80 × 20,006.73
  4. Step 4: Simplify right side
    48,087.21x = 1,443,101,440.28
  5. Step 5: Solve for x
    x = 1,443,101,440.28/48,087.21
  6. Step 6: Final answer
    x = 30,010.09

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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.