Home / 53,020.30-73,168.77-29,149.18

Finding the Fourth Proportional to 53,020.30, 73,168.77 and 29,149.18

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Solution

The fourth proportional to 53,020.30, 73,168.77 and 29,149.18 is: 40,226.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,020.30 : 73,168.77 = 29,149.18 : x
  2. Step 2: Convert to fraction form
    53,020.30/73,168.77 = 29,149.18/x
  3. Step 3: Cross multiply
    53,020.30x = 73,168.77 × 29,149.18
  4. Step 4: Simplify right side
    53,020.30x = 2,132,809,647.11
  5. Step 5: Solve for x
    x = 2,132,809,647.11/53,020.30
  6. Step 6: Final answer
    x = 40,226.28

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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.