Home / 55,415.39-76,473.11-30,264.89

Finding the Fourth Proportional to 55,415.39, 76,473.11 and 30,264.89

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Solution

The fourth proportional to 55,415.39, 76,473.11 and 30,264.89 is: 41,765.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,415.39 : 76,473.11 = 30,264.89 : x
  2. Step 2: Convert to fraction form
    55,415.39/76,473.11 = 30,264.89/x
  3. Step 3: Cross multiply
    55,415.39x = 76,473.11 × 30,264.89
  4. Step 4: Simplify right side
    55,415.39x = 2,314,449,955.40
  5. Step 5: Solve for x
    x = 2,314,449,955.40/55,415.39
  6. Step 6: Final answer
    x = 41,765.48

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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.