Home / 42,205.72-63,308.57-17,245.74

Finding the Fourth Proportional to 42,205.72, 63,308.57 and 17,245.74

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Solution

The fourth proportional to 42,205.72, 63,308.57 and 17,245.74 is: 25,868.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,205.72 : 63,308.57 = 17,245.74 : x
  2. Step 2: Convert to fraction form
    42,205.72/63,308.57 = 17,245.74/x
  3. Step 3: Cross multiply
    42,205.72x = 63,308.57 × 17,245.74
  4. Step 4: Simplify right side
    42,205.72x = 1,091,803,051.76
  5. Step 5: Solve for x
    x = 1,091,803,051.76/42,205.72
  6. Step 6: Final answer
    x = 25,868.61

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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.