Home / 30,988.22-46,474.02-13,453.88

Finding the Fourth Proportional to 30,988.22, 46,474.02 and 13,453.88

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Solution

The fourth proportional to 30,988.22, 46,474.02 and 13,453.88 is: 20,177.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.22 : 46,474.02 = 13,453.88 : x
  2. Step 2: Convert to fraction form
    30,988.22/46,474.02 = 13,453.88/x
  3. Step 3: Cross multiply
    30,988.22x = 46,474.02 × 13,453.88
  4. Step 4: Simplify right side
    30,988.22x = 625,255,655.83
  5. Step 5: Solve for x
    x = 625,255,655.83/30,988.22
  6. Step 6: Final answer
    x = 20,177.21

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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.