Home / 47,220.40-70,830.60-26,441.20

Finding the Fourth Proportional to 47,220.40, 70,830.60 and 26,441.20

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Solution

The fourth proportional to 47,220.40, 70,830.60 and 26,441.20 is: 39,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,220.40 : 70,830.60 = 26,441.20 : x
  2. Step 2: Convert to fraction form
    47,220.40/70,830.60 = 26,441.20/x
  3. Step 3: Cross multiply
    47,220.40x = 70,830.60 × 26,441.20
  4. Step 4: Simplify right side
    47,220.40x = 1,872,846,060.72
  5. Step 5: Solve for x
    x = 1,872,846,060.72/47,220.40
  6. Step 6: Final answer
    x = 39,661.80

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Similar ratio
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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.