Home / 34,989.72-48,284.06-19,880.38

Finding the Fourth Proportional to 34,989.72, 48,284.06 and 19,880.38

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Solution

The fourth proportional to 34,989.72, 48,284.06 and 19,880.38 is: 27,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,989.72 : 48,284.06 = 19,880.38 : x
  2. Step 2: Convert to fraction form
    34,989.72/48,284.06 = 19,880.38/x
  3. Step 3: Cross multiply
    34,989.72x = 48,284.06 × 19,880.38
  4. Step 4: Simplify right side
    34,989.72x = 959,905,460.74
  5. Step 5: Solve for x
    x = 959,905,460.74/34,989.72
  6. Step 6: Final answer
    x = 27,433.93

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1.5x scale

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.