Home / 54,185.60-74,776.07-30,312.77

Finding the Fourth Proportional to 54,185.60, 74,776.07 and 30,312.77

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Solution

The fourth proportional to 54,185.60, 74,776.07 and 30,312.77 is: 41,831.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,185.60 : 74,776.07 = 30,312.77 : x
  2. Step 2: Convert to fraction form
    54,185.60/74,776.07 = 30,312.77/x
  3. Step 3: Cross multiply
    54,185.60x = 74,776.07 × 30,312.77
  4. Step 4: Simplify right side
    54,185.60x = 2,266,669,811.41
  5. Step 5: Solve for x
    x = 2,266,669,811.41/54,185.60
  6. Step 6: Final answer
    x = 41,831.59

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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.