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Finding the Fourth Proportional to 29,911.32, 44,851.73 and 9,913.59

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Solution

The fourth proportional to 29,911.32, 44,851.73 and 9,913.59 is: 14,865.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,911.32 : 44,851.73 = 9,913.59 : x
  2. Step 2: Convert to fraction form
    29,911.32/44,851.73 = 9,913.59/x
  3. Step 3: Cross multiply
    29,911.32x = 44,851.73 × 9,913.59
  4. Step 4: Simplify right side
    29,911.32x = 444,641,612.44
  5. Step 5: Solve for x
    x = 444,641,612.44/29,911.32
  6. Step 6: Final answer
    x = 14,865.33

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1.5x scale

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.