Home / 30,518.28-45,699.66-14,895

Finding the Fourth Proportional to 30,518.28, 45,699.66 and 14,895

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Solution

The fourth proportional to 30,518.28, 45,699.66 and 14,895 is: 22,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,518.28 : 45,699.66 = 14,895 : x
  2. Step 2: Convert to fraction form
    30,518.28/45,699.66 = 14,895/x
  3. Step 3: Cross multiply
    30,518.28x = 45,699.66 × 14,895
  4. Step 4: Simplify right side
    30,518.28x = 680,696,435.70
  5. Step 5: Solve for x
    x = 680,696,435.70/30,518.28
  6. Step 6: Final answer
    x = 22,304.55

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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.