Home / 30,981.95-46,410.55-14,319.03

Finding the Fourth Proportional to 30,981.95, 46,410.55 and 14,319.03

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Solution

The fourth proportional to 30,981.95, 46,410.55 and 14,319.03 is: 21,449.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.95 : 46,410.55 = 14,319.03 : x
  2. Step 2: Convert to fraction form
    30,981.95/46,410.55 = 14,319.03/x
  3. Step 3: Cross multiply
    30,981.95x = 46,410.55 × 14,319.03
  4. Step 4: Simplify right side
    30,981.95x = 664,554,021.97
  5. Step 5: Solve for x
    x = 664,554,021.97/30,981.95
  6. Step 6: Final answer
    x = 21,449.72

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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.