Home / 31,388.04-47,082.06-10,611

Finding the Fourth Proportional to 31,388.04, 47,082.06 and 10,611

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Solution

The fourth proportional to 31,388.04, 47,082.06 and 10,611 is: 15,916.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.04 : 47,082.06 = 10,611 : x
  2. Step 2: Convert to fraction form
    31,388.04/47,082.06 = 10,611/x
  3. Step 3: Cross multiply
    31,388.04x = 47,082.06 × 10,611
  4. Step 4: Simplify right side
    31,388.04x = 499,587,738.66
  5. Step 5: Solve for x
    x = 499,587,738.66/31,388.04
  6. Step 6: Final answer
    x = 15,916.50

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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.