Home / 55,620.54-76,755.88-30,126.31

Finding the Fourth Proportional to 55,620.54, 76,755.88 and 30,126.31

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Solution

The fourth proportional to 55,620.54, 76,755.88 and 30,126.31 is: 41,574.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.54 : 76,755.88 = 30,126.31 : x
  2. Step 2: Convert to fraction form
    55,620.54/76,755.88 = 30,126.31/x
  3. Step 3: Cross multiply
    55,620.54x = 76,755.88 × 30,126.31
  4. Step 4: Simplify right side
    55,620.54x = 2,312,371,168.00
  5. Step 5: Solve for x
    x = 2,312,371,168.00/55,620.54
  6. Step 6: Final answer
    x = 41,574.05

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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.