Home / 32,128.10-48,199.35-12,404.90

Finding the Fourth Proportional to 32,128.10, 48,199.35 and 12,404.90

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Solution

The fourth proportional to 32,128.10, 48,199.35 and 12,404.90 is: 18,610.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,128.10 : 48,199.35 = 12,404.90 : x
  2. Step 2: Convert to fraction form
    32,128.10/48,199.35 = 12,404.90/x
  3. Step 3: Cross multiply
    32,128.10x = 48,199.35 × 12,404.90
  4. Step 4: Simplify right side
    32,128.10x = 597,908,116.82
  5. Step 5: Solve for x
    x = 597,908,116.82/32,128.10
  6. Step 6: Final answer
    x = 18,610.13

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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.