Home / 31,548.48-47,319.06-8,173.08

Finding the Fourth Proportional to 31,548.48, 47,319.06 and 8,173.08

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Solution

The fourth proportional to 31,548.48, 47,319.06 and 8,173.08 is: 12,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,548.48 : 47,319.06 = 8,173.08 : x
  2. Step 2: Convert to fraction form
    31,548.48/47,319.06 = 8,173.08/x
  3. Step 3: Cross multiply
    31,548.48x = 47,319.06 × 8,173.08
  4. Step 4: Simplify right side
    31,548.48x = 386,742,462.90
  5. Step 5: Solve for x
    x = 386,742,462.90/31,548.48
  6. Step 6: Final answer
    x = 12,258.67

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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.