Home / 39,604.80-59,405.04-13,306.80

Finding the Fourth Proportional to 39,604.80, 59,405.04 and 13,306.80

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Solution

The fourth proportional to 39,604.80, 59,405.04 and 13,306.80 is: 19,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,604.80 : 59,405.04 = 13,306.80 : x
  2. Step 2: Convert to fraction form
    39,604.80/59,405.04 = 13,306.80/x
  3. Step 3: Cross multiply
    39,604.80x = 59,405.04 × 13,306.80
  4. Step 4: Simplify right side
    39,604.80x = 790,490,986.27
  5. Step 5: Solve for x
    x = 790,490,986.27/39,604.80
  6. Step 6: Final answer
    x = 19,959.47

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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.