Home / 47,459.86-71,190.39-14,172.30

Finding the Fourth Proportional to 47,459.86, 71,190.39 and 14,172.30

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Solution

The fourth proportional to 47,459.86, 71,190.39 and 14,172.30 is: 21,258.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,459.86 : 71,190.39 = 14,172.30 : x
  2. Step 2: Convert to fraction form
    47,459.86/71,190.39 = 14,172.30/x
  3. Step 3: Cross multiply
    47,459.86x = 71,190.39 × 14,172.30
  4. Step 4: Simplify right side
    47,459.86x = 1,008,931,617.34
  5. Step 5: Solve for x
    x = 1,008,931,617.34/47,459.86
  6. Step 6: Final answer
    x = 21,258.63

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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.