Home / 30,252.15-45,378.81-11,017.17

Finding the Fourth Proportional to 30,252.15, 45,378.81 and 11,017.17

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Solution

The fourth proportional to 30,252.15, 45,378.81 and 11,017.17 is: 16,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,252.15 : 45,378.81 = 11,017.17 : x
  2. Step 2: Convert to fraction form
    30,252.15/45,378.81 = 11,017.17/x
  3. Step 3: Cross multiply
    30,252.15x = 45,378.81 × 11,017.17
  4. Step 4: Simplify right side
    30,252.15x = 499,946,064.17
  5. Step 5: Solve for x
    x = 499,946,064.17/30,252.15
  6. Step 6: Final answer
    x = 16,525.97

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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.