Home / 30,611.05-45,935.10-10,888.12

Finding the Fourth Proportional to 30,611.05, 45,935.10 and 10,888.12

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Solution

The fourth proportional to 30,611.05, 45,935.10 and 10,888.12 is: 16,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,611.05 : 45,935.10 = 10,888.12 : x
  2. Step 2: Convert to fraction form
    30,611.05/45,935.10 = 10,888.12/x
  3. Step 3: Cross multiply
    30,611.05x = 45,935.10 × 10,888.12
  4. Step 4: Simplify right side
    30,611.05x = 500,146,938.43
  5. Step 5: Solve for x
    x = 500,146,938.43/30,611.05
  6. Step 6: Final answer
    x = 16,338.77

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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.