Home / 42,548.45-63,752.31-25,857.80

Finding the Fourth Proportional to 42,548.45, 63,752.31 and 25,857.80

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Solution

The fourth proportional to 42,548.45, 63,752.31 and 25,857.80 is: 38,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,548.45 : 63,752.31 = 25,857.80 : x
  2. Step 2: Convert to fraction form
    42,548.45/63,752.31 = 25,857.80/x
  3. Step 3: Cross multiply
    42,548.45x = 63,752.31 × 25,857.80
  4. Step 4: Simplify right side
    42,548.45x = 1,648,494,162.76
  5. Step 5: Solve for x
    x = 1,648,494,162.76/42,548.45
  6. Step 6: Final answer
    x = 38,743.93

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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.