Home / 55,130.37-76,066.61-34,980

Finding the Fourth Proportional to 55,130.37, 76,066.61 and 34,980

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Solution

The fourth proportional to 55,130.37, 76,066.61 and 34,980 is: 48,263.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,130.37 : 76,066.61 = 34,980 : x
  2. Step 2: Convert to fraction form
    55,130.37/76,066.61 = 34,980/x
  3. Step 3: Cross multiply
    55,130.37x = 76,066.61 × 34,980
  4. Step 4: Simplify right side
    55,130.37x = 2,660,809,842.90
  5. Step 5: Solve for x
    x = 2,660,809,842.90/55,130.37
  6. Step 6: Final answer
    x = 48,263.96

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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.