Home / 30,803.84-46,197.18-13,028.36

Finding the Fourth Proportional to 30,803.84, 46,197.18 and 13,028.36

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Solution

The fourth proportional to 30,803.84, 46,197.18 and 13,028.36 is: 19,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,803.84 : 46,197.18 = 13,028.36 : x
  2. Step 2: Convert to fraction form
    30,803.84/46,197.18 = 13,028.36/x
  3. Step 3: Cross multiply
    30,803.84x = 46,197.18 × 13,028.36
  4. Step 4: Simplify right side
    30,803.84x = 601,873,492.02
  5. Step 5: Solve for x
    x = 601,873,492.02/30,803.84
  6. Step 6: Final answer
    x = 19,538.91

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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.