Home / 30,988.90-46,463.64-14,326.66

Finding the Fourth Proportional to 30,988.90, 46,463.64 and 14,326.66

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Solution

The fourth proportional to 30,988.90, 46,463.64 and 14,326.66 is: 21,480.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,988.90 : 46,463.64 = 14,326.66 : x
  2. Step 2: Convert to fraction form
    30,988.90/46,463.64 = 14,326.66/x
  3. Step 3: Cross multiply
    30,988.90x = 46,463.64 × 14,326.66
  4. Step 4: Simplify right side
    30,988.90x = 665,668,772.64
  5. Step 5: Solve for x
    x = 665,668,772.64/30,988.90
  6. Step 6: Final answer
    x = 21,480.88

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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.