Home / 45,233.95-67,857.12-15,643.84

Finding the Fourth Proportional to 45,233.95, 67,857.12 and 15,643.84

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Solution

The fourth proportional to 45,233.95, 67,857.12 and 15,643.84 is: 23,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,233.95 : 67,857.12 = 15,643.84 : x
  2. Step 2: Convert to fraction form
    45,233.95/67,857.12 = 15,643.84/x
  3. Step 3: Cross multiply
    45,233.95x = 67,857.12 × 15,643.84
  4. Step 4: Simplify right side
    45,233.95x = 1,061,545,928.14
  5. Step 5: Solve for x
    x = 1,061,545,928.14/45,233.95
  6. Step 6: Final answer
    x = 23,467.90

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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.