Home / 39,420,955.80-59,098,256.10-20,509,723.80

Finding the Fourth Proportional to 39,420,955.80, 59,098,256.10 and 20,509,723.80

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Solution

The fourth proportional to 39,420,955.80, 59,098,256.10 and 20,509,723.80 is: 30,747,324.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,955.80 : 59,098,256.10 = 20,509,723.80 : x
  2. Step 2: Convert to fraction form
    39,420,955.80/59,098,256.10 = 20,509,723.80/x
  3. Step 3: Cross multiply
    39,420,955.80x = 59,098,256.10 × 20,509,723.80
  4. Step 4: Simplify right side
    39,420,955.80x = 1,212,088,909,672,665.25
  5. Step 5: Solve for x
    x = 1,212,088,909,672,665.25/39,420,955.80
  6. Step 6: Final answer
    x = 30,747,324.24

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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.