Home / 30,981.93-46,434.83-14,319.42

Finding the Fourth Proportional to 30,981.93, 46,434.83 and 14,319.42

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Solution

The fourth proportional to 30,981.93, 46,434.83 and 14,319.42 is: 21,461.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.93 : 46,434.83 = 14,319.42 : x
  2. Step 2: Convert to fraction form
    30,981.93/46,434.83 = 14,319.42/x
  3. Step 3: Cross multiply
    30,981.93x = 46,434.83 × 14,319.42
  4. Step 4: Simplify right side
    30,981.93x = 664,919,761.80
  5. Step 5: Solve for x
    x = 664,919,761.80/30,981.93
  6. Step 6: Final answer
    x = 21,461.53

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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.