Home / 30,436.46-45,653.10-10,715.15

Finding the Fourth Proportional to 30,436.46, 45,653.10 and 10,715.15

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Solution

The fourth proportional to 30,436.46, 45,653.10 and 10,715.15 is: 16,072.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.46 : 45,653.10 = 10,715.15 : x
  2. Step 2: Convert to fraction form
    30,436.46/45,653.10 = 10,715.15/x
  3. Step 3: Cross multiply
    30,436.46x = 45,653.10 × 10,715.15
  4. Step 4: Simplify right side
    30,436.46x = 489,179,814.47
  5. Step 5: Solve for x
    x = 489,179,814.47/30,436.46
  6. Step 6: Final answer
    x = 16,072.17

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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.