Home / 48,422.07-66,830.39-40,342.92

Finding the Fourth Proportional to 48,422.07, 66,830.39 and 40,342.92

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Solution

The fourth proportional to 48,422.07, 66,830.39 and 40,342.92 is: 55,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,422.07 : 66,830.39 = 40,342.92 : x
  2. Step 2: Convert to fraction form
    48,422.07/66,830.39 = 40,342.92/x
  3. Step 3: Cross multiply
    48,422.07x = 66,830.39 × 40,342.92
  4. Step 4: Simplify right side
    48,422.07x = 2,696,133,077.34
  5. Step 5: Solve for x
    x = 2,696,133,077.34/48,422.07
  6. Step 6: Final answer
    x = 55,679.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.