Home / 32,431.08-48,627.12-12,686.12

Finding the Fourth Proportional to 32,431.08, 48,627.12 and 12,686.12

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Solution

The fourth proportional to 32,431.08, 48,627.12 and 12,686.12 is: 19,021.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.08 : 48,627.12 = 12,686.12 : x
  2. Step 2: Convert to fraction form
    32,431.08/48,627.12 = 12,686.12/x
  3. Step 3: Cross multiply
    32,431.08x = 48,627.12 × 12,686.12
  4. Step 4: Simplify right side
    32,431.08x = 616,889,479.57
  5. Step 5: Solve for x
    x = 616,889,479.57/32,431.08
  6. Step 6: Final answer
    x = 19,021.55

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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.