Home / 39,907.03-59,898.21-20,199.73

Finding the Fourth Proportional to 39,907.03, 59,898.21 and 20,199.73

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Solution

The fourth proportional to 39,907.03, 59,898.21 and 20,199.73 is: 30,318.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.03 : 59,898.21 = 20,199.73 : x
  2. Step 2: Convert to fraction form
    39,907.03/59,898.21 = 20,199.73/x
  3. Step 3: Cross multiply
    39,907.03x = 59,898.21 × 20,199.73
  4. Step 4: Simplify right side
    39,907.03x = 1,209,927,669.48
  5. Step 5: Solve for x
    x = 1,209,927,669.48/39,907.03
  6. Step 6: Final answer
    x = 30,318.66

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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.