Home / 38,490.40-57,735.60-23,651.20

Finding the Fourth Proportional to 38,490.40, 57,735.60 and 23,651.20

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Solution

The fourth proportional to 38,490.40, 57,735.60 and 23,651.20 is: 35,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,490.40 : 57,735.60 = 23,651.20 : x
  2. Step 2: Convert to fraction form
    38,490.40/57,735.60 = 23,651.20/x
  3. Step 3: Cross multiply
    38,490.40x = 57,735.60 × 23,651.20
  4. Step 4: Simplify right side
    38,490.40x = 1,365,516,222.72
  5. Step 5: Solve for x
    x = 1,365,516,222.72/38,490.40
  6. Step 6: Final answer
    x = 35,476.80

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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.