Home / 34,889.12-48,148.49-19,781.66

Finding the Fourth Proportional to 34,889.12, 48,148.49 and 19,781.66

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Solution

The fourth proportional to 34,889.12, 48,148.49 and 19,781.66 is: 27,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,889.12 : 48,148.49 = 19,781.66 : x
  2. Step 2: Convert to fraction form
    34,889.12/48,148.49 = 19,781.66/x
  3. Step 3: Cross multiply
    34,889.12x = 48,148.49 × 19,781.66
  4. Step 4: Simplify right side
    34,889.12x = 952,457,058.69
  5. Step 5: Solve for x
    x = 952,457,058.69/34,889.12
  6. Step 6: Final answer
    x = 27,299.54

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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.