Home / 31,516.34-47,271.78-10,449.46

Finding the Fourth Proportional to 31,516.34, 47,271.78 and 10,449.46

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Solution

The fourth proportional to 31,516.34, 47,271.78 and 10,449.46 is: 15,673.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,516.34 : 47,271.78 = 10,449.46 : x
  2. Step 2: Convert to fraction form
    31,516.34/47,271.78 = 10,449.46/x
  3. Step 3: Cross multiply
    31,516.34x = 47,271.78 × 10,449.46
  4. Step 4: Simplify right side
    31,516.34x = 493,964,338.04
  5. Step 5: Solve for x
    x = 493,964,338.04/31,516.34
  6. Step 6: Final answer
    x = 15,673.28

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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.