Home / 30,422.64-45,635.57-9,377.13

Finding the Fourth Proportional to 30,422.64, 45,635.57 and 9,377.13

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Solution

The fourth proportional to 30,422.64, 45,635.57 and 9,377.13 is: 14,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422.64 : 45,635.57 = 9,377.13 : x
  2. Step 2: Convert to fraction form
    30,422.64/45,635.57 = 9,377.13/x
  3. Step 3: Cross multiply
    30,422.64x = 45,635.57 × 9,377.13
  4. Step 4: Simplify right side
    30,422.64x = 427,930,625.63
  5. Step 5: Solve for x
    x = 427,930,625.63/30,422.64
  6. Step 6: Final answer
    x = 14,066.19

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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.