Home / 30,713.04-46,067.36-11,989.58

Finding the Fourth Proportional to 30,713.04, 46,067.36 and 11,989.58

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Solution

The fourth proportional to 30,713.04, 46,067.36 and 11,989.58 is: 17,983.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,713.04 : 46,067.36 = 11,989.58 : x
  2. Step 2: Convert to fraction form
    30,713.04/46,067.36 = 11,989.58/x
  3. Step 3: Cross multiply
    30,713.04x = 46,067.36 × 11,989.58
  4. Step 4: Simplify right side
    30,713.04x = 552,328,298.11
  5. Step 5: Solve for x
    x = 552,328,298.11/30,713.04
  6. Step 6: Final answer
    x = 17,983.51

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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.