Home / 43,343.19-65,022.86-13,753.05

Finding the Fourth Proportional to 43,343.19, 65,022.86 and 13,753.05

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Solution

The fourth proportional to 43,343.19, 65,022.86 and 13,753.05 is: 20,632.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,343.19 : 65,022.86 = 13,753.05 : x
  2. Step 2: Convert to fraction form
    43,343.19/65,022.86 = 13,753.05/x
  3. Step 3: Cross multiply
    43,343.19x = 65,022.86 × 13,753.05
  4. Step 4: Simplify right side
    43,343.19x = 894,262,575.96
  5. Step 5: Solve for x
    x = 894,262,575.96/43,343.19
  6. Step 6: Final answer
    x = 20,632.14

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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.