Home / 39,806.28-59,597.10-21,043.80

Finding the Fourth Proportional to 39,806.28, 59,597.10 and 21,043.80

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Solution

The fourth proportional to 39,806.28, 59,597.10 and 21,043.80 is: 31,506.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,806.28 : 59,597.10 = 21,043.80 : x
  2. Step 2: Convert to fraction form
    39,806.28/59,597.10 = 21,043.80/x
  3. Step 3: Cross multiply
    39,806.28x = 59,597.10 × 21,043.80
  4. Step 4: Simplify right side
    39,806.28x = 1,254,149,452.98
  5. Step 5: Solve for x
    x = 1,254,149,452.98/39,806.28
  6. Step 6: Final answer
    x = 31,506.32

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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.