Home / 42,004.74-62,976.21-19,805.58

Finding the Fourth Proportional to 42,004.74, 62,976.21 and 19,805.58

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Solution

The fourth proportional to 42,004.74, 62,976.21 and 19,805.58 is: 29,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,004.74 : 62,976.21 = 19,805.58 : x
  2. Step 2: Convert to fraction form
    42,004.74/62,976.21 = 19,805.58/x
  3. Step 3: Cross multiply
    42,004.74x = 62,976.21 × 19,805.58
  4. Step 4: Simplify right side
    42,004.74x = 1,247,280,365.25
  5. Step 5: Solve for x
    x = 1,247,280,365.25/42,004.74
  6. Step 6: Final answer
    x = 29,693.80

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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.