Home / 30,310.79-45,473.49-9,534.29

Finding the Fourth Proportional to 30,310.79, 45,473.49 and 9,534.29

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Solution

The fourth proportional to 30,310.79, 45,473.49 and 9,534.29 is: 14,303.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,310.79 : 45,473.49 = 9,534.29 : x
  2. Step 2: Convert to fraction form
    30,310.79/45,473.49 = 9,534.29/x
  3. Step 3: Cross multiply
    30,310.79x = 45,473.49 × 9,534.29
  4. Step 4: Simplify right side
    30,310.79x = 433,557,213.60
  5. Step 5: Solve for x
    x = 433,557,213.60/30,310.79
  6. Step 6: Final answer
    x = 14,303.73

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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.