Home / 30,924.14-42,675.93-18,983.12

Finding the Fourth Proportional to 30,924.14, 42,675.93 and 18,983.12

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Solution

The fourth proportional to 30,924.14, 42,675.93 and 18,983.12 is: 26,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,924.14 : 42,675.93 = 18,983.12 : x
  2. Step 2: Convert to fraction form
    30,924.14/42,675.93 = 18,983.12/x
  3. Step 3: Cross multiply
    30,924.14x = 42,675.93 × 18,983.12
  4. Step 4: Simplify right side
    30,924.14x = 810,122,086.92
  5. Step 5: Solve for x
    x = 810,122,086.92/30,924.14
  6. Step 6: Final answer
    x = 26,197.08

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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.