Home / 32,388.78-44,696.61-18,779.46

Finding the Fourth Proportional to 32,388.78, 44,696.61 and 18,779.46

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Solution

The fourth proportional to 32,388.78, 44,696.61 and 18,779.46 is: 25,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,388.78 : 44,696.61 = 18,779.46 : x
  2. Step 2: Convert to fraction form
    32,388.78/44,696.61 = 18,779.46/x
  3. Step 3: Cross multiply
    32,388.78x = 44,696.61 × 18,779.46
  4. Step 4: Simplify right side
    32,388.78x = 839,378,199.63
  5. Step 5: Solve for x
    x = 839,378,199.63/32,388.78
  6. Step 6: Final answer
    x = 25,915.71

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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.