Home / 47,165.06-70,748.81-13,886.21

Finding the Fourth Proportional to 47,165.06, 70,748.81 and 13,886.21

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Solution

The fourth proportional to 47,165.06, 70,748.81 and 13,886.21 is: 20,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,165.06 : 70,748.81 = 13,886.21 : x
  2. Step 2: Convert to fraction form
    47,165.06/70,748.81 = 13,886.21/x
  3. Step 3: Cross multiply
    47,165.06x = 70,748.81 × 13,886.21
  4. Step 4: Simplify right side
    47,165.06x = 982,432,832.91
  5. Step 5: Solve for x
    x = 982,432,832.91/47,165.06
  6. Step 6: Final answer
    x = 20,829.67

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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.