Home / 30,331.63-45,503.60-11,612.27

Finding the Fourth Proportional to 30,331.63, 45,503.60 and 11,612.27

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Solution

The fourth proportional to 30,331.63, 45,503.60 and 11,612.27 is: 17,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,331.63 : 45,503.60 = 11,612.27 : x
  2. Step 2: Convert to fraction form
    30,331.63/45,503.60 = 11,612.27/x
  3. Step 3: Cross multiply
    30,331.63x = 45,503.60 × 11,612.27
  4. Step 4: Simplify right side
    30,331.63x = 528,400,144.87
  5. Step 5: Solve for x
    x = 528,400,144.87/30,331.63
  6. Step 6: Final answer
    x = 17,420.76

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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.