Home / 30,160.15-45,255.31-13,532.06

Finding the Fourth Proportional to 30,160.15, 45,255.31 and 13,532.06

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Solution

The fourth proportional to 30,160.15, 45,255.31 and 13,532.06 is: 20,304.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.15 : 45,255.31 = 13,532.06 : x
  2. Step 2: Convert to fraction form
    30,160.15/45,255.31 = 13,532.06/x
  3. Step 3: Cross multiply
    30,160.15x = 45,255.31 × 13,532.06
  4. Step 4: Simplify right side
    30,160.15x = 612,397,649.55
  5. Step 5: Solve for x
    x = 612,397,649.55/30,160.15
  6. Step 6: Final answer
    x = 20,304.86

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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.