Home / 42,457.84-63,686.20-25,822.44

Finding the Fourth Proportional to 42,457.84, 63,686.20 and 25,822.44

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Solution

The fourth proportional to 42,457.84, 63,686.20 and 25,822.44 is: 38,733.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,457.84 : 63,686.20 = 25,822.44 : x
  2. Step 2: Convert to fraction form
    42,457.84/63,686.20 = 25,822.44/x
  3. Step 3: Cross multiply
    42,457.84x = 63,686.20 × 25,822.44
  4. Step 4: Simplify right side
    42,457.84x = 1,644,533,078.33
  5. Step 5: Solve for x
    x = 1,644,533,078.33/42,457.84
  6. Step 6: Final answer
    x = 38,733.32

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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.