Home / 43,552.56-65,331.12-12,390.24

Finding the Fourth Proportional to 43,552.56, 65,331.12 and 12,390.24

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Solution

The fourth proportional to 43,552.56, 65,331.12 and 12,390.24 is: 18,586.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,552.56 : 65,331.12 = 12,390.24 : x
  2. Step 2: Convert to fraction form
    43,552.56/65,331.12 = 12,390.24/x
  3. Step 3: Cross multiply
    43,552.56x = 65,331.12 × 12,390.24
  4. Step 4: Simplify right side
    43,552.56x = 809,468,256.27
  5. Step 5: Solve for x
    x = 809,468,256.27/43,552.56
  6. Step 6: Final answer
    x = 18,586.01

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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.