Home / 34,654.10-47,822.69-18,738.54

Finding the Fourth Proportional to 34,654.10, 47,822.69 and 18,738.54

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Solution

The fourth proportional to 34,654.10, 47,822.69 and 18,738.54 is: 25,859.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,654.10 : 47,822.69 = 18,738.54 : x
  2. Step 2: Convert to fraction form
    34,654.10/47,822.69 = 18,738.54/x
  3. Step 3: Cross multiply
    34,654.10x = 47,822.69 × 18,738.54
  4. Step 4: Simplify right side
    34,654.10x = 896,127,295.78
  5. Step 5: Solve for x
    x = 896,127,295.78/34,654.10
  6. Step 6: Final answer
    x = 25,859.20

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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.