Home / 38,152.30-57,237.15-11,859.70

Finding the Fourth Proportional to 38,152.30, 57,237.15 and 11,859.70

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Solution

The fourth proportional to 38,152.30, 57,237.15 and 11,859.70 is: 17,792.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,152.30 : 57,237.15 = 11,859.70 : x
  2. Step 2: Convert to fraction form
    38,152.30/57,237.15 = 11,859.70/x
  3. Step 3: Cross multiply
    38,152.30x = 57,237.15 × 11,859.70
  4. Step 4: Simplify right side
    38,152.30x = 678,815,427.86
  5. Step 5: Solve for x
    x = 678,815,427.86/38,152.30
  6. Step 6: Final answer
    x = 17,792.25

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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.