Home / 30,336.98-45,513.66-9,277.76

Finding the Fourth Proportional to 30,336.98, 45,513.66 and 9,277.76

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Solution

The fourth proportional to 30,336.98, 45,513.66 and 9,277.76 is: 13,919.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,336.98 : 45,513.66 = 9,277.76 : x
  2. Step 2: Convert to fraction form
    30,336.98/45,513.66 = 9,277.76/x
  3. Step 3: Cross multiply
    30,336.98x = 45,513.66 × 9,277.76
  4. Step 4: Simplify right side
    30,336.98x = 422,264,586.63
  5. Step 5: Solve for x
    x = 422,264,586.63/30,336.98
  6. Step 6: Final answer
    x = 13,919.14

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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.