Home / 66,246.54-91,389.51-39,373.98

Finding the Fourth Proportional to 66,246.54, 91,389.51 and 39,373.98

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Solution

The fourth proportional to 66,246.54, 91,389.51 and 39,373.98 is: 54,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,246.54 : 91,389.51 = 39,373.98 : x
  2. Step 2: Convert to fraction form
    66,246.54/91,389.51 = 39,373.98/x
  3. Step 3: Cross multiply
    66,246.54x = 91,389.51 × 39,373.98
  4. Step 4: Simplify right side
    66,246.54x = 3,598,368,738.95
  5. Step 5: Solve for x
    x = 3,598,368,738.95/66,246.54
  6. Step 6: Final answer
    x = 54,317.84

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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.