Home / 44,987.80-67,469.90-13,389.36

Finding the Fourth Proportional to 44,987.80, 67,469.90 and 13,389.36

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Solution

The fourth proportional to 44,987.80, 67,469.90 and 13,389.36 is: 20,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,987.80 : 67,469.90 = 13,389.36 : x
  2. Step 2: Convert to fraction form
    44,987.80/67,469.90 = 13,389.36/x
  3. Step 3: Cross multiply
    44,987.80x = 67,469.90 × 13,389.36
  4. Step 4: Simplify right side
    44,987.80x = 903,378,780.26
  5. Step 5: Solve for x
    x = 903,378,780.26/44,987.80
  6. Step 6: Final answer
    x = 20,080.53

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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.