Home / 38,335.78-57,506.46-12,040.30

Finding the Fourth Proportional to 38,335.78, 57,506.46 and 12,040.30

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Solution

The fourth proportional to 38,335.78, 57,506.46 and 12,040.30 is: 18,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,335.78 : 57,506.46 = 12,040.30 : x
  2. Step 2: Convert to fraction form
    38,335.78/57,506.46 = 12,040.30/x
  3. Step 3: Cross multiply
    38,335.78x = 57,506.46 × 12,040.30
  4. Step 4: Simplify right side
    38,335.78x = 692,395,030.34
  5. Step 5: Solve for x
    x = 692,395,030.34/38,335.78
  6. Step 6: Final answer
    x = 18,061.33

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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.