Home / 34,911.45-48,177.80-18,995.90

Finding the Fourth Proportional to 34,911.45, 48,177.80 and 18,995.90

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Solution

The fourth proportional to 34,911.45, 48,177.80 and 18,995.90 is: 26,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,911.45 : 48,177.80 = 18,995.90 : x
  2. Step 2: Convert to fraction form
    34,911.45/48,177.80 = 18,995.90/x
  3. Step 3: Cross multiply
    34,911.45x = 48,177.80 × 18,995.90
  4. Step 4: Simplify right side
    34,911.45x = 915,180,335.15
  5. Step 5: Solve for x
    x = 915,180,335.15/34,911.45
  6. Step 6: Final answer
    x = 26,214.33

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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.