Home / 39,420,954.80-59,098,254.60-20,509,722.80

Finding the Fourth Proportional to 39,420,954.80, 59,098,254.60 and 20,509,722.80

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Solution

The fourth proportional to 39,420,954.80, 59,098,254.60 and 20,509,722.80 is: 30,747,322.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,954.80 : 59,098,254.60 = 20,509,722.80 : x
  2. Step 2: Convert to fraction form
    39,420,954.80/59,098,254.60 = 20,509,722.80/x
  3. Step 3: Cross multiply
    39,420,954.80x = 59,098,254.60 × 20,509,722.80
  4. Step 4: Simplify right side
    39,420,954.80x = 1,212,088,819,809,825
  5. Step 5: Solve for x
    x = 1,212,088,819,809,825/39,420,954.80
  6. Step 6: Final answer
    x = 30,747,322.74

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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.