Home / 31,567.21-43,562.70-17,420.05

Finding the Fourth Proportional to 31,567.21, 43,562.70 and 17,420.05

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Solution

The fourth proportional to 31,567.21, 43,562.70 and 17,420.05 is: 24,039.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.21 : 43,562.70 = 17,420.05 : x
  2. Step 2: Convert to fraction form
    31,567.21/43,562.70 = 17,420.05/x
  3. Step 3: Cross multiply
    31,567.21x = 43,562.70 × 17,420.05
  4. Step 4: Simplify right side
    31,567.21x = 758,864,412.14
  5. Step 5: Solve for x
    x = 758,864,412.14/31,567.21
  6. Step 6: Final answer
    x = 24,039.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.