Home / 61,433.28-92,146.68-30,258

Finding the Fourth Proportional to 61,433.28, 92,146.68 and 30,258

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Solution

The fourth proportional to 61,433.28, 92,146.68 and 30,258 is: 45,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,433.28 : 92,146.68 = 30,258 : x
  2. Step 2: Convert to fraction form
    61,433.28/92,146.68 = 30,258/x
  3. Step 3: Cross multiply
    61,433.28x = 92,146.68 × 30,258
  4. Step 4: Simplify right side
    61,433.28x = 2,788,174,243.44
  5. Step 5: Solve for x
    x = 2,788,174,243.44/61,433.28
  6. Step 6: Final answer
    x = 45,385.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.