Home / 31,581.71-47,362.29-10,516.08

Finding the Fourth Proportional to 31,581.71, 47,362.29 and 10,516.08

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Solution

The fourth proportional to 31,581.71, 47,362.29 and 10,516.08 is: 15,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,581.71 : 47,362.29 = 10,516.08 : x
  2. Step 2: Convert to fraction form
    31,581.71/47,362.29 = 10,516.08/x
  3. Step 3: Cross multiply
    31,581.71x = 47,362.29 × 10,516.08
  4. Step 4: Simplify right side
    31,581.71x = 498,065,630.62
  5. Step 5: Solve for x
    x = 498,065,630.62/31,581.71
  6. Step 6: Final answer
    x = 15,770.70

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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.