Home / 38,660.28-57,999.48-12,004.90

Finding the Fourth Proportional to 38,660.28, 57,999.48 and 12,004.90

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Solution

The fourth proportional to 38,660.28, 57,999.48 and 12,004.90 is: 18,010.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.28 : 57,999.48 = 12,004.90 : x
  2. Step 2: Convert to fraction form
    38,660.28/57,999.48 = 12,004.90/x
  3. Step 3: Cross multiply
    38,660.28x = 57,999.48 × 12,004.90
  4. Step 4: Simplify right side
    38,660.28x = 696,277,957.45
  5. Step 5: Solve for x
    x = 696,277,957.45/38,660.28
  6. Step 6: Final answer
    x = 18,010.16

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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.