Home / 30,431.87-45,647.81-14,836.13

Finding the Fourth Proportional to 30,431.87, 45,647.81 and 14,836.13

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Solution

The fourth proportional to 30,431.87, 45,647.81 and 14,836.13 is: 22,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,431.87 : 45,647.81 = 14,836.13 : x
  2. Step 2: Convert to fraction form
    30,431.87/45,647.81 = 14,836.13/x
  3. Step 3: Cross multiply
    30,431.87x = 45,647.81 × 14,836.13
  4. Step 4: Simplify right side
    30,431.87x = 677,236,540.96
  5. Step 5: Solve for x
    x = 677,236,540.96/30,431.87
  6. Step 6: Final answer
    x = 22,254.19

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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.