Home / 32,629.68-48,909.69-12,899.70

Finding the Fourth Proportional to 32,629.68, 48,909.69 and 12,899.70

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Solution

The fourth proportional to 32,629.68, 48,909.69 and 12,899.70 is: 19,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,629.68 : 48,909.69 = 12,899.70 : x
  2. Step 2: Convert to fraction form
    32,629.68/48,909.69 = 12,899.70/x
  3. Step 3: Cross multiply
    32,629.68x = 48,909.69 × 12,899.70
  4. Step 4: Simplify right side
    32,629.68x = 630,920,328.09
  5. Step 5: Solve for x
    x = 630,920,328.09/32,629.68
  6. Step 6: Final answer
    x = 19,335.78

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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.