Home / 47,288.77-70,950.09-20,259.77

Finding the Fourth Proportional to 47,288.77, 70,950.09 and 20,259.77

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Solution

The fourth proportional to 47,288.77, 70,950.09 and 20,259.77 is: 30,396.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,288.77 : 70,950.09 = 20,259.77 : x
  2. Step 2: Convert to fraction form
    47,288.77/70,950.09 = 20,259.77/x
  3. Step 3: Cross multiply
    47,288.77x = 70,950.09 × 20,259.77
  4. Step 4: Simplify right side
    47,288.77x = 1,437,432,504.88
  5. Step 5: Solve for x
    x = 1,437,432,504.88/47,288.77
  6. Step 6: Final answer
    x = 30,396.91

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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.