Home / 23,082.49-31,846.76-14,120.65

Finding the Fourth Proportional to 23,082.49, 31,846.76 and 14,120.65

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Solution

The fourth proportional to 23,082.49, 31,846.76 and 14,120.65 is: 19,482.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.49 : 31,846.76 = 14,120.65 : x
  2. Step 2: Convert to fraction form
    23,082.49/31,846.76 = 14,120.65/x
  3. Step 3: Cross multiply
    23,082.49x = 31,846.76 × 14,120.65
  4. Step 4: Simplify right side
    23,082.49x = 449,696,880.99
  5. Step 5: Solve for x
    x = 449,696,880.99/23,082.49
  6. Step 6: Final answer
    x = 19,482.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.