Home / 34,830.88-48,067.80-19,518.08

Finding the Fourth Proportional to 34,830.88, 48,067.80 and 19,518.08

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Solution

The fourth proportional to 34,830.88, 48,067.80 and 19,518.08 is: 26,935.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.88 : 48,067.80 = 19,518.08 : x
  2. Step 2: Convert to fraction form
    34,830.88/48,067.80 = 19,518.08/x
  3. Step 3: Cross multiply
    34,830.88x = 48,067.80 × 19,518.08
  4. Step 4: Simplify right side
    34,830.88x = 938,190,925.49
  5. Step 5: Solve for x
    x = 938,190,925.49/34,830.88
  6. Step 6: Final answer
    x = 26,935.61

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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.