Home / 42,098.08-63,166.56-18,739.84

Finding the Fourth Proportional to 42,098.08, 63,166.56 and 18,739.84

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Solution

The fourth proportional to 42,098.08, 63,166.56 and 18,739.84 is: 28,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,098.08 : 63,166.56 = 18,739.84 : x
  2. Step 2: Convert to fraction form
    42,098.08/63,166.56 = 18,739.84/x
  3. Step 3: Cross multiply
    42,098.08x = 63,166.56 × 18,739.84
  4. Step 4: Simplify right side
    42,098.08x = 1,183,731,227.75
  5. Step 5: Solve for x
    x = 1,183,731,227.75/42,098.08
  6. Step 6: Final answer
    x = 28,118.41

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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.