Home / 32,451.21-44,772.18-18,108.72

Finding the Fourth Proportional to 32,451.21, 44,772.18 and 18,108.72

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Solution

The fourth proportional to 32,451.21, 44,772.18 and 18,108.72 is: 24,984.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,451.21 : 44,772.18 = 18,108.72 : x
  2. Step 2: Convert to fraction form
    32,451.21/44,772.18 = 18,108.72/x
  3. Step 3: Cross multiply
    32,451.21x = 44,772.18 × 18,108.72
  4. Step 4: Simplify right side
    32,451.21x = 810,766,871.41
  5. Step 5: Solve for x
    x = 810,766,871.41/32,451.21
  6. Step 6: Final answer
    x = 24,984.18

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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.