Home / 67,030.64-92,495.28-40,172.48

Finding the Fourth Proportional to 67,030.64, 92,495.28 and 40,172.48

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Solution

The fourth proportional to 67,030.64, 92,495.28 and 40,172.48 is: 55,433.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,030.64 : 92,495.28 = 40,172.48 : x
  2. Step 2: Convert to fraction form
    67,030.64/92,495.28 = 40,172.48/x
  3. Step 3: Cross multiply
    67,030.64x = 92,495.28 × 40,172.48
  4. Step 4: Simplify right side
    67,030.64x = 3,715,764,785.89
  5. Step 5: Solve for x
    x = 3,715,764,785.89/67,030.64
  6. Step 6: Final answer
    x = 55,433.83

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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.