Home / 30,129.03-45,163.44-14,306.22

Finding the Fourth Proportional to 30,129.03, 45,163.44 and 14,306.22

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Solution

The fourth proportional to 30,129.03, 45,163.44 and 14,306.22 is: 21,445.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,129.03 : 45,163.44 = 14,306.22 : x
  2. Step 2: Convert to fraction form
    30,129.03/45,163.44 = 14,306.22/x
  3. Step 3: Cross multiply
    30,129.03x = 45,163.44 × 14,306.22
  4. Step 4: Simplify right side
    30,129.03x = 646,118,108.60
  5. Step 5: Solve for x
    x = 646,118,108.60/30,129.03
  6. Step 6: Final answer
    x = 21,445.04

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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.