Home / 32,640.06-48,931.39-12,932.46

Finding the Fourth Proportional to 32,640.06, 48,931.39 and 12,932.46

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Solution

The fourth proportional to 32,640.06, 48,931.39 and 12,932.46 is: 19,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,640.06 : 48,931.39 = 12,932.46 : x
  2. Step 2: Convert to fraction form
    32,640.06/48,931.39 = 12,932.46/x
  3. Step 3: Cross multiply
    32,640.06x = 48,931.39 × 12,932.46
  4. Step 4: Simplify right side
    32,640.06x = 632,803,260.08
  5. Step 5: Solve for x
    x = 632,803,260.08/32,640.06
  6. Step 6: Final answer
    x = 19,387.32

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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.