Home / 32,130.82-48,191.28-8,759.08

Finding the Fourth Proportional to 32,130.82, 48,191.28 and 8,759.08

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Solution

The fourth proportional to 32,130.82, 48,191.28 and 8,759.08 is: 13,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.82 : 48,191.28 = 8,759.08 : x
  2. Step 2: Convert to fraction form
    32,130.82/48,191.28 = 8,759.08/x
  3. Step 3: Cross multiply
    32,130.82x = 48,191.28 × 8,759.08
  4. Step 4: Simplify right side
    32,130.82x = 422,111,276.82
  5. Step 5: Solve for x
    x = 422,111,276.82/32,130.82
  6. Step 6: Final answer
    x = 13,137.27

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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.