Home / 38,618.40-57,927.60-29,287.20

Finding the Fourth Proportional to 38,618.40, 57,927.60 and 29,287.20

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Solution

The fourth proportional to 38,618.40, 57,927.60 and 29,287.20 is: 43,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,618.40 : 57,927.60 = 29,287.20 : x
  2. Step 2: Convert to fraction form
    38,618.40/57,927.60 = 29,287.20/x
  3. Step 3: Cross multiply
    38,618.40x = 57,927.60 × 29,287.20
  4. Step 4: Simplify right side
    38,618.40x = 1,696,537,206.72
  5. Step 5: Solve for x
    x = 1,696,537,206.72/38,618.40
  6. Step 6: Final answer
    x = 43,930.80

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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.