Home / 55,482.39-76,565.67-30,331.89

Finding the Fourth Proportional to 55,482.39, 76,565.67 and 30,331.89

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Solution

The fourth proportional to 55,482.39, 76,565.67 and 30,331.89 is: 41,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.39 : 76,565.67 = 30,331.89 : x
  2. Step 2: Convert to fraction form
    55,482.39/76,565.67 = 30,331.89/x
  3. Step 3: Cross multiply
    55,482.39x = 76,565.67 × 30,331.89
  4. Step 4: Simplify right side
    55,482.39x = 2,322,381,480.22
  5. Step 5: Solve for x
    x = 2,322,381,480.22/55,482.39
  6. Step 6: Final answer
    x = 41,857.99

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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.