Home / 54,276.90-81,415.35-32,115.30

Finding the Fourth Proportional to 54,276.90, 81,415.35 and 32,115.30

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Solution

The fourth proportional to 54,276.90, 81,415.35 and 32,115.30 is: 48,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,276.90 : 81,415.35 = 32,115.30 : x
  2. Step 2: Convert to fraction form
    54,276.90/81,415.35 = 32,115.30/x
  3. Step 3: Cross multiply
    54,276.90x = 81,415.35 × 32,115.30
  4. Step 4: Simplify right side
    54,276.90x = 2,614,678,389.86
  5. Step 5: Solve for x
    x = 2,614,678,389.86/54,276.90
  6. Step 6: Final answer
    x = 48,172.95

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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.