Home / 30,160.86-45,241.29-9,380.22

Finding the Fourth Proportional to 30,160.86, 45,241.29 and 9,380.22

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Solution

The fourth proportional to 30,160.86, 45,241.29 and 9,380.22 is: 14,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,160.86 : 45,241.29 = 9,380.22 : x
  2. Step 2: Convert to fraction form
    30,160.86/45,241.29 = 9,380.22/x
  3. Step 3: Cross multiply
    30,160.86x = 45,241.29 × 9,380.22
  4. Step 4: Simplify right side
    30,160.86x = 424,373,253.28
  5. Step 5: Solve for x
    x = 424,373,253.28/30,160.86
  6. Step 6: Final answer
    x = 14,070.33

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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.