Home / 32,712.16-49,076.45-12,984.20

Finding the Fourth Proportional to 32,712.16, 49,076.45 and 12,984.20

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Solution

The fourth proportional to 32,712.16, 49,076.45 and 12,984.20 is: 19,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,712.16 : 49,076.45 = 12,984.20 : x
  2. Step 2: Convert to fraction form
    32,712.16/49,076.45 = 12,984.20/x
  3. Step 3: Cross multiply
    32,712.16x = 49,076.45 × 12,984.20
  4. Step 4: Simplify right side
    32,712.16x = 637,218,442.09
  5. Step 5: Solve for x
    x = 637,218,442.09/32,712.16
  6. Step 6: Final answer
    x = 19,479.56

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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.