Home / 42,379.70-58,505.74-29,860.34

Finding the Fourth Proportional to 42,379.70, 58,505.74 and 29,860.34

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Solution

The fourth proportional to 42,379.70, 58,505.74 and 29,860.34 is: 41,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,379.70 : 58,505.74 = 29,860.34 : x
  2. Step 2: Convert to fraction form
    42,379.70/58,505.74 = 29,860.34/x
  3. Step 3: Cross multiply
    42,379.70x = 58,505.74 × 29,860.34
  4. Step 4: Simplify right side
    42,379.70x = 1,747,001,288.35
  5. Step 5: Solve for x
    x = 1,747,001,288.35/42,379.70
  6. Step 6: Final answer
    x = 41,222.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.