Home / 32,130.36-44,340.12-18,709.44

Finding the Fourth Proportional to 32,130.36, 44,340.12 and 18,709.44

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Solution

The fourth proportional to 32,130.36, 44,340.12 and 18,709.44 is: 25,819.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,130.36 : 44,340.12 = 18,709.44 : x
  2. Step 2: Convert to fraction form
    32,130.36/44,340.12 = 18,709.44/x
  3. Step 3: Cross multiply
    32,130.36x = 44,340.12 × 18,709.44
  4. Step 4: Simplify right side
    32,130.36x = 829,578,814.73
  5. Step 5: Solve for x
    x = 829,578,814.73/32,130.36
  6. Step 6: Final answer
    x = 25,819.16

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.