Home / 31,595.81-47,388.78-10,536.21

Finding the Fourth Proportional to 31,595.81, 47,388.78 and 10,536.21

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Solution

The fourth proportional to 31,595.81, 47,388.78 and 10,536.21 is: 15,802.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,595.81 : 47,388.78 = 10,536.21 : x
  2. Step 2: Convert to fraction form
    31,595.81/47,388.78 = 10,536.21/x
  3. Step 3: Cross multiply
    31,595.81x = 47,388.78 × 10,536.21
  4. Step 4: Simplify right side
    31,595.81x = 499,298,137.72
  5. Step 5: Solve for x
    x = 499,298,137.72/31,595.81
  6. Step 6: Final answer
    x = 15,802.67

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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.