Home / 42,412.38-63,608.85-19,045.50

Finding the Fourth Proportional to 42,412.38, 63,608.85 and 19,045.50

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Solution

The fourth proportional to 42,412.38, 63,608.85 and 19,045.50 is: 28,563.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,412.38 : 63,608.85 = 19,045.50 : x
  2. Step 2: Convert to fraction form
    42,412.38/63,608.85 = 19,045.50/x
  3. Step 3: Cross multiply
    42,412.38x = 63,608.85 × 19,045.50
  4. Step 4: Simplify right side
    42,412.38x = 1,211,462,352.68
  5. Step 5: Solve for x
    x = 1,211,462,352.68/42,412.38
  6. Step 6: Final answer
    x = 28,563.89

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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.