Home / 42,590.10-63,836.70-25,913.37

Finding the Fourth Proportional to 42,590.10, 63,836.70 and 25,913.37

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Solution

The fourth proportional to 42,590.10, 63,836.70 and 25,913.37 is: 38,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,590.10 : 63,836.70 = 25,913.37 : x
  2. Step 2: Convert to fraction form
    42,590.10/63,836.70 = 25,913.37/x
  3. Step 3: Cross multiply
    42,590.10x = 63,836.70 × 25,913.37
  4. Step 4: Simplify right side
    42,590.10x = 1,654,224,026.68
  5. Step 5: Solve for x
    x = 1,654,224,026.68/42,590.10
  6. Step 6: Final answer
    x = 38,840.58

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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.