Home / 53,445.15-80,162.19-13,997.16

Finding the Fourth Proportional to 53,445.15, 80,162.19 and 13,997.16

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Solution

The fourth proportional to 53,445.15, 80,162.19 and 13,997.16 is: 20,994.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,445.15 : 80,162.19 = 13,997.16 : x
  2. Step 2: Convert to fraction form
    53,445.15/80,162.19 = 13,997.16/x
  3. Step 3: Cross multiply
    53,445.15x = 80,162.19 × 13,997.16
  4. Step 4: Simplify right side
    53,445.15x = 1,122,042,999.38
  5. Step 5: Solve for x
    x = 1,122,042,999.38/53,445.15
  6. Step 6: Final answer
    x = 20,994.29

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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.