Home / 50,047.70-69,058.16-28,539.22

Finding the Fourth Proportional to 50,047.70, 69,058.16 and 28,539.22

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Solution

The fourth proportional to 50,047.70, 69,058.16 and 28,539.22 is: 39,379.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,047.70 : 69,058.16 = 28,539.22 : x
  2. Step 2: Convert to fraction form
    50,047.70/69,058.16 = 28,539.22/x
  3. Step 3: Cross multiply
    50,047.70x = 69,058.16 × 28,539.22
  4. Step 4: Simplify right side
    50,047.70x = 1,970,866,021.04
  5. Step 5: Solve for x
    x = 1,970,866,021.04/50,047.70
  6. Step 6: Final answer
    x = 39,379.75

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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.