Home / 55,620.09-76,755.86-30,126.36

Finding the Fourth Proportional to 55,620.09, 76,755.86 and 30,126.36

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Solution

The fourth proportional to 55,620.09, 76,755.86 and 30,126.36 is: 41,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,620.09 : 76,755.86 = 30,126.36 : x
  2. Step 2: Convert to fraction form
    55,620.09/76,755.86 = 30,126.36/x
  3. Step 3: Cross multiply
    55,620.09x = 76,755.86 × 30,126.36
  4. Step 4: Simplify right side
    55,620.09x = 2,312,374,670.47
  5. Step 5: Solve for x
    x = 2,312,374,670.47/55,620.09
  6. Step 6: Final answer
    x = 41,574.45

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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.