Home / 32,515.32-48,768.66-12,788.58

Finding the Fourth Proportional to 32,515.32, 48,768.66 and 12,788.58

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Solution

The fourth proportional to 32,515.32, 48,768.66 and 12,788.58 is: 19,181.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,515.32 : 48,768.66 = 12,788.58 : x
  2. Step 2: Convert to fraction form
    32,515.32/48,768.66 = 12,788.58/x
  3. Step 3: Cross multiply
    32,515.32x = 48,768.66 × 12,788.58
  4. Step 4: Simplify right side
    32,515.32x = 623,681,909.90
  5. Step 5: Solve for x
    x = 623,681,909.90/32,515.32
  6. Step 6: Final answer
    x = 19,181.17

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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.