Home / 55,085.56-76,018.08-29,935

Finding the Fourth Proportional to 55,085.56, 76,018.08 and 29,935

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Solution

The fourth proportional to 55,085.56, 76,018.08 and 29,935 is: 41,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,085.56 : 76,018.08 = 29,935 : x
  2. Step 2: Convert to fraction form
    55,085.56/76,018.08 = 29,935/x
  3. Step 3: Cross multiply
    55,085.56x = 76,018.08 × 29,935
  4. Step 4: Simplify right side
    55,085.56x = 2,275,601,224.80
  5. Step 5: Solve for x
    x = 2,275,601,224.80/55,085.56
  6. Step 6: Final answer
    x = 41,310.30

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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.