Home / 38,040.64-57,032.40-11,729.92

Finding the Fourth Proportional to 38,040.64, 57,032.40 and 11,729.92

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Solution

The fourth proportional to 38,040.64, 57,032.40 and 11,729.92 is: 17,586.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,040.64 : 57,032.40 = 11,729.92 : x
  2. Step 2: Convert to fraction form
    38,040.64/57,032.40 = 11,729.92/x
  3. Step 3: Cross multiply
    38,040.64x = 57,032.40 × 11,729.92
  4. Step 4: Simplify right side
    38,040.64x = 668,985,489.41
  5. Step 5: Solve for x
    x = 668,985,489.41/38,040.64
  6. Step 6: Final answer
    x = 17,586.07

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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.